Base | Representation |
---|---|
bin | 111101001111100110… |
… | …1100101001101100000 |
3 | 110120110212101012022212 |
4 | 1322133031211031200 |
5 | 4123323130002022 |
6 | 140230341221252 |
7 | 12334122612353 |
oct | 1723715451540 |
9 | 416425335285 |
10 | 131520156512 |
11 | 50860777228 |
12 | 215a5a01828 |
13 | c52cb03524 |
14 | 651933829a |
15 | 364b5403e2 |
hex | 1e9f365360 |
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".
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