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157942932660 = 223255419161923
BaseRepresentation
bin1001001100011000100…
…0011110010010110100
3120002200022111022002200
42103012020132102310
510041431342321120
6200320305104500
714260654530222
oct2230610362264
9502608438080
10157942932660
1160a8a739007
122673a928130
1311b81031406
147904641b12
1541960a5e90
hex24c621e4b4

157942932660 has 72 divisors (see below), whose sum is σ = 479184931680. Its totient is φ = 42110083008.

The previous prime is 157942932643. The next prime is 157942932683. The reversal of 157942932660 is 66239249751.

157942932660 is a `hidden beast` number, since 1 + 5 + 7 + 94 + 293 + 266 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 157942932597 and 157942932606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 894459 + ... + 1056381.

Almost surely, 2157942932660 is an apocalyptic number.

157942932660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157942932660 is an abundant number, since it is smaller than the sum of its proper divisors (321241999020).

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

157942932660 is a wasteful number, since it uses less digits than its factorization.

157942932660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167357 (or 167352 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 54.

The spelling of 157942932660 in words is "one hundred fifty-seven billion, nine hundred forty-two million, nine hundred thirty-two thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 5419 10838 16257 21676 27095 32514 48771 54190 65028 81285 97542 108380 161923 162570 195084 243855 323846 325140 485769 487710 647692 809615 971538 975420 1457307 1619230 1943076 2428845 2914614 3238460 4857690 5829228 7286535 9715380 14573070 29146140 877460737 1754921474 2632382211 3509842948 4387303685 5264764422 7897146633 8774607370 10529528844 13161911055 15794293266 17549214740 26323822110 31588586532 39485733165 52647644220 78971466330 157942932660