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157871152572 = 22374244344281
BaseRepresentation
bin1001001100000111011…
…0101001110110111100
3120002111022102111022220
42103001312221312330
510041310003340242
6200305222405340
714256123440640
oct2230166516674
9502438374286
10157871152572
1160a53171621
122671a890850
1311b6c1bb5a3
1478d8cb8c20
15418eb27bec
hex24c1da9dbc

157871152572 has 48 divisors (see below), whose sum is σ = 421009166592. Its totient is φ = 45103962240.

The previous prime is 157871152547. The next prime is 157871152583. The reversal of 157871152572 is 275251178751.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3543072 + ... + 3587352.

It is an arithmetic number, because the mean of its divisors is an integer number (8771024304).

Almost surely, 2157871152572 is an apocalyptic number.

157871152572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

157871152572 is an abundant number, since it is smaller than the sum of its proper divisors (263138014020).

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

157871152572 is a wasteful number, since it uses less digits than its factorization.

157871152572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86738 (or 86736 counting only the distinct ones).

The product of its digits is 1372000, while the sum is 51.

The spelling of 157871152572 in words is "one hundred fifty-seven billion, eight hundred seventy-one million, one hundred fifty-two thousand, five hundred seventy-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 42443 44281 84886 88562 127329 132843 169772 177124 254658 265686 297101 309967 509316 531372 594202 619934 891303 929901 1188404 1239868 1782606 1859802 3565212 3719604 1879418483 3758836966 5638255449 7517673932 11276510898 13155929381 22553021796 26311858762 39467788143 52623717524 78935576286 157871152572