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157445885860 = 22570911103377
BaseRepresentation
bin1001001010100010000…
…0011000111110100100
3120001101200012201001221
42102220200120332210
510034422121321420
6200155111430124
714242440643204
oct2225040307644
9501350181057
10157445885860
116085510942a
1226620385344
1311b02071593
147898618404
154167622caa
hex24a8818fa4

157445885860 has 24 divisors (see below), whose sum is σ = 331102731960. Its totient is φ = 62889521664.

The previous prime is 157445885851. The next prime is 157445885893. The reversal of 157445885860 is 68588544751.

It can be written as a sum of positive squares in 4 ways, for example, as 26152711524 + 131293174336 = 161718^2 + 362344^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5537509 + ... + 5565868.

It is an arithmetic number, because the mean of its divisors is an integer number (13795947165).

Almost surely, 2157445885860 is an apocalyptic number.

157445885860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157445885860 is an abundant number, since it is smaller than the sum of its proper divisors (173656846100).

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

157445885860 is a wasteful number, since it uses less digits than its factorization.

157445885860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11104095 (or 11104093 counting only the distinct ones).

The product of its (nonzero) digits is 43008000, while the sum is 61.

The spelling of 157445885860 in words is "one hundred fifty-seven billion, four hundred forty-five million, eight hundred eighty-five thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 709 1418 2836 3545 7090 14180 11103377 22206754 44413508 55516885 111033770 222067540 7872294293 15744588586 31489177172 39361471465 78722942930 157445885860