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130122102312 = 233237193253081
BaseRepresentation
bin111100100101111100…
…0011011011000101000
3110102212102200200111200
41321023320123120220
54112442224233222
6135435520124200
712254355422526
oct1711370333050
9412772620450
10130122102312
1150203597434
1221275766660
13c369286617
1464257b1316
1535b8931eac
hex1e4be1b628

130122102312 has 96 divisors (see below), whose sum is σ = 363815498280. Its totient is φ = 41982935040.

The previous prime is 130122102311. The next prime is 130122102317. The reversal of 130122102312 is 213201221031.

130122102312 is a `hidden beast` number, since 130 + 1 + 221 + 0 + 2 + 312 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 87394731876 + 42727370436 = 295626^2 + 206706^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (130122102311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 387612 + ... + 640692.

Almost surely, 2130122102312 is an apocalyptic number.

130122102312 is a gapful number since it is divisible by the number (12) 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 130122102312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181907749140).

130122102312 is an abundant number, since it is smaller than the sum of its proper divisors (233693395968).

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

130122102312 is a wasteful number, since it uses less digits than its factorization.

130122102312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253323 (or 253316 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 130122102312 its reverse (213201221031), we get a palindrome (343323323343).

The spelling of 130122102312 in words is "one hundred thirty billion, one hundred twenty-two million, one hundred two thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 37 72 74 111 148 193 222 296 333 386 444 579 666 772 888 1158 1332 1544 1737 2316 2664 3474 4632 6948 7141 13896 14282 21423 28564 42846 57128 64269 85692 128538 171384 253081 257076 506162 514152 759243 1012324 1518486 2024648 2277729 3036972 4555458 6073944 9110916 9363997 18221832 18727994 28091991 37455988 48844633 56183982 74911976 84275973 97689266 112367964 146533899 168551946 195378532 224735928 293067798 337103892 390757064 439601697 586135596 674207784 879203394 1172271192 1758406788 1807251421 3516813576 3614502842 5421754263 7229005684 10843508526 14458011368 16265262789 21687017052 32530525578 43374034104 65061051156 130122102312