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157174431460 = 22517053460841
BaseRepresentation
bin1001001001100001010…
…0110111111011100100
3120000200202102101122021
42102120110313323210
510033343123301320
6200112133312524
714232633424024
oct2223024677344
9500622371567
10157174431460
1160725961752
1226565495744
1311a8aa59787
147870555a84
15414d8a1daa
hex2498537ee4

157174431460 has 24 divisors (see below), whose sum is σ = 330086377656. Its totient is φ = 62865949440.

The previous prime is 157174431373. The next prime is 157174431473. The reversal of 157174431460 is 64134471751.

It is a happy number.

157174431460 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3403788964 + 153770642496 = 58342^2 + 392136^2 .

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 7 ways as a sum of consecutive naturals, for example, 110640 + ... + 571480.

It is an arithmetic number, because the mean of its divisors is an integer number (13753599069).

Almost surely, 2157174431460 is an apocalyptic number.

157174431460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157174431460 is an abundant number, since it is smaller than the sum of its proper divisors (172911946196).

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

157174431460 is a wasteful number, since it uses less digits than its factorization.

157174431460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477903 (or 477901 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 43.

The spelling of 157174431460 in words is "one hundred fifty-seven billion, one hundred seventy-four million, four hundred thirty-one thousand, four hundred sixty".

Divisors: 1 2 4 5 10 20 17053 34106 68212 85265 170530 341060 460841 921682 1843364 2304205 4608410 9216820 7858721573 15717443146 31434886292 39293607865 78587215730 157174431460