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131520156512 = 2560714714603
BaseRepresentation
bin111101001111100110…
…1100101001101100000
3110120110212101012022212
41322133031211031200
54123323130002022
6140230341221252
712334122612353
oct1723715451540
9416425335285
10131520156512
1150860777228
12215a5a01828
13c52cb03524
14651933829a
15364b5403e2
hex1e9f365360

131520156512 has 48 divisors (see below), whose sum is σ = 259589578752. Its totient is φ = 65592858240.

The previous prime is 131520156431. The next prime is 131520156619. The reversal of 131520156512 is 215651025131.

It is a super-2 number, since 2×1315201565122 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28570403 + ... + 28575005.

It is an arithmetic number, because the mean of its divisors is an integer number (5408116224).

Almost surely, 2131520156512 is an apocalyptic number.

It is an amenable number.

131520156512 is a deficient number, since it is larger than the sum of its proper divisors (128069422240).

131520156512 is a wasteful number, since it uses less digits than its factorization.

131520156512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6691 (or 6683 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 32.

The spelling of 131520156512 in words is "one hundred thirty-one billion, five hundred twenty million, one hundred fifty-six thousand, five hundred twelve".

Divisors: 1 2 4 8 16 32 607 1214 1471 2428 2942 4603 4856 5884 9206 9712 11768 18412 19424 23536 36824 47072 73648 147296 892897 1785794 2794021 3571588 5588042 6771013 7143176 11176084 13542026 14286352 22352168 27084052 28572704 44704336 54168104 89408672 108336208 216672416 4110004891 8220009782 16440019564 32880039128 65760078256 131520156512