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157269631122 = 23221124432
BaseRepresentation
bin1001001001111000000…
…0000010000010010010
3120000221101120001000200
42102132000002002102
510034042011143442
6200125414000030
714235200544042
oct2223600020222
9500841501020
10157269631122
116077467465a
1226591346016
1311aa46ac336
14787d057722
154156e0934c
hex249e002092

157269631122 has 54 divisors (see below), whose sum is σ = 343148050791. Its totient is φ = 52056983160.

The previous prime is 157269631093. The next prime is 157269631147. The reversal of 157269631122 is 221136962751.

157269631122 is a `hidden beast` number, since 1 + 5 + 7 + 2 + 6 + 9 + 631 + 1 + 2 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 78634815561 + 78634815561 = 280419^2 + 280419^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=280419.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 355010233 + ... + 355010675.

Almost surely, 2157269631122 is an apocalyptic number.

157269631122 is an abundant number, since it is smaller than the sum of its proper divisors (185878419669).

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

157269631122 is an frugal number, since it uses more digits than its factorization.

157269631122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1316 (or 659 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The spelling of 157269631122 in words is "one hundred fifty-seven billion, two hundred sixty-nine million, six hundred thirty-one thousand, one hundred twenty-two".

Divisors: 1 2 3 6 9 18 211 422 443 633 886 1266 1329 1899 2658 3798 3987 7974 44521 89042 93473 133563 186946 196249 267126 280419 392498 400689 560838 588747 801378 841257 1177494 1682514 1766241 3532482 19722803 39445606 41408539 59168409 82817078 118336818 124225617 177505227 248451234 355010454 372676851 745353702 8737201729 17474403458 26211605187 52423210374 78634815561 157269631122