Base | Representation |
---|---|
bin | 100101100010011010… |
… | …1000010111011001010 |
3 | 21201001222001011210212 |
4 | 1023010311002323022 |
5 | 2310043040320044 |
6 | 101011003241122 |
7 | 5552426505320 |
oct | 1130465027312 |
9 | 251058034725 |
10 | 80611651274 |
11 | 312071a2800 |
12 | 137588191a2 |
13 | 77a8a7ca4b |
14 | 3c8a0b5d10 |
15 | 216c03da9e |
hex | 12c4d42eca |
80611651274 has 24 divisors (see below), whose sum is σ = 151896337824. Its totient is φ = 31407136200.
The previous prime is 80611651231. The next prime is 80611651279. The reversal of 80611651274 is 47215611608.
It is a super-2 number, since 2×806116512742 (a number of 23 digits) contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (80611651279) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23791592 + ... + 23794979.
It is an arithmetic number, because the mean of its divisors is an integer number (6329014076).
Almost surely, 280611651274 is an apocalyptic number.
80611651274 is a deficient number, since it is larger than the sum of its proper divisors (71284686550).
80611651274 is a wasteful number, since it uses less digits than its factorization.
80611651274 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47586602 (or 47586591 counting only the distinct ones).
The product of its (nonzero) digits is 80640, while the sum is 41.
The spelling of 80611651274 in words is "eighty billion, six hundred eleven million, six hundred fifty-one thousand, two hundred seventy-four".
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