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157052181616 = 2411892341941
BaseRepresentation
bin1001001001000100001…
…0100001110001110000
3120000101020101110101021
42102101002201301300
510033120324302431
6200052045145224
714226620342341
oct2222102416160
9500336343337
10157052181616
1160672953620
122653055b214
1311a6b6257a5
14785c2120c8
154142ca4b11
hex24910a1c70

157052181616 has 20 divisors (see below), whose sum is σ = 331951202424. Its totient is φ = 71387355200.

The previous prime is 157052181569. The next prime is 157052181691. The reversal of 157052181616 is 616181250751.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 446170795 + ... + 446171146.

Almost surely, 2157052181616 is an apocalyptic number.

157052181616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

157052181616 is an abundant number, since it is smaller than the sum of its proper divisors (174899020808).

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

157052181616 is a wasteful number, since it uses less digits than its factorization.

157052181616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892341960 (or 892341954 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 43.

The spelling of 157052181616 in words is "one hundred fifty-seven billion, fifty-two million, one hundred eighty-one thousand, six hundred sixteen".

Divisors: 1 2 4 8 11 16 22 44 88 176 892341941 1784683882 3569367764 7138735528 9815761351 14277471056 19631522702 39263045404 78526090808 157052181616