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22123101140 = 2257273309241
BaseRepresentation
bin10100100110101000…
…111011101111010100
32010002210111222111022
4110212220323233110
5330302003214030
614055130500312
71412142154100
oct244650735724
963083458438
1022123101140
119422a06368
124354b94698
1321174c35ba
1410dc266900
15897347de5
hex526a3bbd4

22123101140 has 72 divisors (see below), whose sum is σ = 54784075752. Its totient is φ = 7481134080.

The previous prime is 22123101097. The next prime is 22123101157. The reversal of 22123101140 is 4110132122.

It can be written as a sum of positive squares in 4 ways, for example, as 2085566224 + 20037534916 = 45668^2 + 141554^2 .

It is a super-4 number, since 4×221231011404 (a number of 42 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

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, 83081 + ... + 226160.

It is an arithmetic number, because the mean of its divisors is an integer number (760889941).

Almost surely, 222123101140 is an apocalyptic number.

22123101140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22123101140 is an abundant number, since it is smaller than the sum of its proper divisors (32660974612).

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

22123101140 is a wasteful number, since it uses less digits than its factorization.

22123101140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309337 (or 309328 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 22123101140 its reverse (4110132122), we get a palindrome (26233233262).

The spelling of 22123101140 in words is "twenty-two billion, one hundred twenty-three million, one hundred one thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 49 70 73 98 140 146 196 245 292 365 490 511 730 980 1022 1460 2044 2555 3577 5110 7154 10220 14308 17885 35770 71540 309241 618482 1236964 1546205 2164687 3092410 4329374 6184820 8658748 10823435 15152809 21646870 22574593 30305618 43293740 45149186 60611236 75764045 90298372 112872965 151528090 158022151 225745930 303056180 316044302 451491860 632088604 790110755 1106155057 1580221510 2212310114 3160443020 4424620228 5530775285 11061550570 22123101140