Base | Representation |
---|---|
bin | 100011011110101011… |
… | …0101000100001001110 |
3 | 21021122220022121000120 |
4 | 1012331112220201032 |
5 | 2222014431132430 |
6 | 55000215205410 |
7 | 5335043055252 |
oct | 1067526504116 |
9 | 237586277016 |
10 | 76191270990 |
11 | 2a348a9365a |
12 | 12924376866 |
13 | 7253032503 |
14 | 398adb4262 |
15 | 1eade2b610 |
hex | 11bd5a884e |
76191270990 has 32 divisors (see below), whose sum is σ = 193615466400. Its totient is φ = 19122514944.
The previous prime is 76191270977. The next prime is 76191271001. The reversal of 76191270990 is 9907219167.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (51).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74696815 + ... + 74697834.
It is an arithmetic number, because the mean of its divisors is an integer number (6050483325).
Almost surely, 276191270990 is an apocalyptic number.
76191270990 is an abundant number, since it is smaller than the sum of its proper divisors (117424195410).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
76191270990 is a wasteful number, since it uses less digits than its factorization.
76191270990 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 149394676.
The product of its (nonzero) digits is 428652, while the sum is 51.
The spelling of 76191270990 in words is "seventy-six billion, one hundred ninety-one million, two hundred seventy thousand, nine hundred ninety".
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