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157070695680 = 28325192179211
BaseRepresentation
bin1001001001001000100…
…1001001110100000000
3120000102112020001220100
42102102021021310000
510033140044230210
6200053550042400
714230233612243
oct2222211116400
9500375201810
10157070695680
11606823494a8
12265367a9400
1311a72408762
14786087125a
1541447105c0
hex2492249d00

157070695680 has 648 divisors, whose sum is σ = 579493867680. Its totient is φ = 39272325120.

The previous prime is 157070695667. The next prime is 157070695697. The reversal of 157070695680 is 86596070751.

157070695680 is a `hidden beast` number, since 1 + 5 + 7 + 0 + 70 + 6 + 9 + 568 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 744410775 + ... + 744410985.

It is an arithmetic number, because the mean of its divisors is an integer number (894280660).

Almost surely, 2157070695680 is an apocalyptic number.

157070695680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157070695680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289746933840).

157070695680 is an abundant number, since it is smaller than the sum of its proper divisors (422423172000).

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

157070695680 is a wasteful number, since it uses less digits than its factorization.

157070695680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455 (or 419 counting only the distinct ones).

The product of its (nonzero) digits is 3175200, while the sum is 54.

The spelling of 157070695680 in words is "one hundred fifty-seven billion, seventy million, six hundred ninety-five thousand, six hundred eighty".