Base | Representation |
---|---|
bin | 111011001010101100001… |
… | …0110110101110110100011 |
3 | 1001210101201222201111102110 |
4 | 1312111120112311312203 |
5 | 2031213020000132313 |
6 | 25143420044250403 |
7 | 1466335650025065 |
oct | 166253026656643 |
9 | 31711658644373 |
10 | 8131855474083 |
11 | 2655778466520 |
12 | ab4011b40a03 |
13 | 46caa500c943 |
14 | 201826341735 |
15 | e17dcb3dec3 |
hex | 765585b5da3 |
8131855474083 has 32 divisors (see below), whose sum is σ = 11856604511232. Its totient is φ = 4916544595200.
The previous prime is 8131855474081. The next prime is 8131855474117. The reversal of 8131855474083 is 3804745581318.
It is not a de Polignac number, because 8131855474083 - 21 = 8131855474081 is a prime.
It is a super-2 number, since 2×81318554740832 (a number of 27 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (8131855474081) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 284346141 + ... + 284374737.
It is an arithmetic number, because the mean of its divisors is an integer number (370518890976).
Almost surely, 28131855474083 is an apocalyptic number.
8131855474083 is a deficient number, since it is larger than the sum of its proper divisors (3724749037149).
8131855474083 is a wasteful number, since it uses less digits than its factorization.
8131855474083 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49035.
The product of its (nonzero) digits is 12902400, while the sum is 57.
The spelling of 8131855474083 in words is "eight trillion, one hundred thirty-one billion, eight hundred fifty-five million, four hundred seventy-four thousand, eighty-three".
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