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157031551056 = 24331193104879
BaseRepresentation
bin1001001000111111001…
…1110101000001010000
3120000022210120022120110
42102033303311001100
510033100034113211
6200050031041320
714226250106052
oct2221763650120
9500283508513
10157031551056
1160662242576
1226525670240
1311a67281363
1478595a18d2
15414107bea6
hex248fcf5050

157031551056 has 40 divisors (see below), whose sum is σ = 405681713280. Its totient is φ = 52341673216.

The previous prime is 157031551007. The next prime is 157031551069. The reversal of 157031551056 is 650155130751.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1444825 + ... + 1549703.

It is an arithmetic number, because the mean of its divisors is an integer number (10142042832).

Almost surely, 2157031551056 is an apocalyptic number.

157031551056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

157031551056 is an abundant number, since it is smaller than the sum of its proper divisors (248650162224).

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

157031551056 is a wasteful number, since it uses less digits than its factorization.

157031551056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136083 (or 136077 counting only the distinct ones).

The product of its (nonzero) digits is 78750, while the sum is 39.

The spelling of 157031551056 in words is "one hundred fifty-seven billion, thirty-one million, five hundred fifty-one thousand, fifty-six".

Divisors: 1 2 3 4 6 8 12 16 24 48 31193 62386 93579 104879 124772 187158 209758 249544 314637 374316 419516 499088 629274 748632 839032 1258548 1497264 1678064 2517096 5034192 3271490647 6542981294 9814471941 13085962588 19628943882 26171925176 39257887764 52343850352 78515775528 157031551056