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230122131122312 = 2311135925713266221
BaseRepresentation
bin110100010100101101111011…
…111000010110100010001000
31010011210110102222120122202222
4310110231323320112202020
5220130310111031403222
62133232351514313212
766320526635305022
oct6424557370264210
91104713388518688
10230122131122312
116736227a824230
1221987264128808
139b5356827c0c0
1440b7d83385012
151b91010e82542
hexd14b7be16888

230122131122312 has 128 divisors (see below), whose sum is σ = 517510013731200. Its totient is φ = 94548880588800.

The previous prime is 230122131122311. The next prime is 230122131122339. The reversal of 230122131122312 is 213221131221032.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (230122131122311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10713362 + ... + 23979582.

It is an arithmetic number, because the mean of its divisors is an integer number (4043046982275).

Almost surely, 2230122131122312 is an apocalyptic number.

230122131122312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 230122131122312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258755006865600).

230122131122312 is an abundant number, since it is smaller than the sum of its proper divisors (287387882608888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230122131122312 is a wasteful number, since it uses less digits than its factorization.

230122131122312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13266567 (or 13266563 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 230122131122312 its reverse (213221131221032), we get a palindrome (443343262343344).

The spelling of 230122131122312 in words is "two hundred thirty trillion, one hundred twenty-two billion, one hundred thirty-one million, one hundred twenty-two thousand, three hundred twelve".

Divisors: 1 2 4 8 11 13 22 26 44 52 59 88 104 118 143 236 257 286 472 514 572 649 767 1028 1144 1298 1534 2056 2596 2827 3068 3341 5192 5654 6136 6682 8437 11308 13364 15163 16874 22616 26728 30326 33748 36751 60652 67496 73502 121304 147004 166793 197119 294008 333586 394238 667172 788476 1334344 1576952 2168309 4336618 8673236 13266221 17346472 26532442 53064884 106129768 145928431 172460873 291856862 344921746 583713724 689843492 782707039 1167427448 1379686984 1565414078 1897069603 3130828156 3409418797 3794139206 6261656312 6818837594 7588278412 8609777429 10175191507 13637675188 15176556824 17219554858 20350383014 27275350376 34439109716 37503606767 40700766028 44322444361 68878219432 75007213534 81401532056 88644888722 111927106577 150014427068 177289777444 201155709023 223854213154 300028854136 354579554888 402311418046 447708426308 487546887971 804622836092 895416852616 975093775942 1609245672184 1950187551884 2212712799253 2615024217299 3900375103768 4425425598506 5230048434598 8850851197012 10460096869196 17701702394024 20920193738392 28765266390289 57530532780578 115061065561156 230122131122312