Base | Representation |
---|---|
bin | 100101010000010111… |
… | …1011000011111010001 |
3 | 21122111202202101220200 |
4 | 1022200233120133101 |
5 | 2302323040440321 |
6 | 100430534125413 |
7 | 5531425240251 |
oct | 1124057303721 |
9 | 248452671820 |
10 | 80006186961 |
11 | 30a26452478 |
12 | 13609ab0869 |
13 | 77104bcc3c |
14 | 3c2d909961 |
15 | 2133ce1d26 |
hex | 12a0bd87d1 |
80006186961 has 6 divisors (see below), whose sum is σ = 115564492290. Its totient is φ = 53337457968.
The previous prime is 80006186951. The next prime is 80006187013. The reversal of 80006186961 is 16968160008.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 49248042561 + 30758144400 = 221919^2 + 175380^2 .
It is not a de Polignac number, because 80006186961 - 211 = 80006184913 is a prime.
It is not an unprimeable number, because it can be changed into a prime (80006186921) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4444788156 + ... + 4444788173.
It is an arithmetic number, because the mean of its divisors is an integer number (19260748715).
Almost surely, 280006186961 is an apocalyptic number.
It is an amenable number.
80006186961 is a deficient number, since it is larger than the sum of its proper divisors (35558305329).
80006186961 is a wasteful number, since it uses less digits than its factorization.
80006186961 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8889576335 (or 8889576332 counting only the distinct ones).
The product of its (nonzero) digits is 124416, while the sum is 45.
The spelling of 80006186961 in words is "eighty billion, six million, one hundred eighty-six thousand, nine hundred sixty-one".
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