Base | Representation |
---|---|
bin | 100011011100111001… |
… | …0101011110010001010 |
3 | 21021111201212200221101 |
4 | 1012321302223302022 |
5 | 2221404131444110 |
6 | 54550242332014 |
7 | 5333416130140 |
oct | 1067162536212 |
9 | 237451780841 |
10 | 76131515530 |
11 | 2a31828a484 |
12 | 1290835a00a |
13 | 724383c955 |
14 | 398309b590 |
15 | 1ea8a7613a |
hex | 11b9cabc8a |
76131515530 has 128 divisors (see below), whose sum is σ = 169786368000. Its totient is φ = 23999639040.
The previous prime is 76131515521. The next prime is 76131515563. The reversal of 76131515530 is 3551513167.
It is a self number, because there is not a number n which added to its sum of digits gives 76131515530.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6192990 + ... + 6205270.
It is an arithmetic number, because the mean of its divisors is an integer number (1326456000).
Almost surely, 276131515530 is an apocalyptic number.
76131515530 is a gapful number since it is divisible by the number (70) formed by its first and last digit.
76131515530 is an abundant number, since it is smaller than the sum of its proper divisors (93654852470).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
76131515530 is a wasteful number, since it uses less digits than its factorization.
76131515530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12452.
The product of its (nonzero) digits is 47250, while the sum is 37.
The spelling of 76131515530 in words is "seventy-six billion, one hundred thirty-one million, five hundred fifteen thousand, five hundred thirty".
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