Base | Representation |
---|---|
bin | 10011101100010111110111… |
… | …111110011001001101011101 |
3 | 102100200001011110021000111000 |
4 | 103230113313332121031131 |
5 | 42323023214004234011 |
6 | 504113030112420513 |
7 | 24146344313405454 |
oct | 2354276776311535 |
9 | 370601143230430 |
10 | 86612175852381 |
11 | 25663021326203 |
12 | 986a02a547739 |
13 | 394365456509a |
14 | 17560a1b3db9b |
15 | a02eac649356 |
hex | 4ec5f7f9935d |
86612175852381 has 16 divisors (see below), whose sum is σ = 128332933848000. Its totient is φ = 57733080904944.
The previous prime is 86612175852379. The next prime is 86612175852487. The reversal of 86612175852381 is 18325857121668.
It is a happy number.
86612175852381 is a `hidden beast` number, since 8 + 6 + 6 + 1 + 2 + 17 + 585 + 2 + 38 + 1 = 666.
It is not a de Polignac number, because 86612175852381 - 21 = 86612175852379 is a prime.
It is a super-2 number, since 2×866121758523812 (a number of 29 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (86612175852311) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232300926 + ... + 232673471.
It is an arithmetic number, because the mean of its divisors is an integer number (8020808365500).
Almost surely, 286612175852381 is an apocalyptic number.
It is an amenable number.
86612175852381 is a deficient number, since it is larger than the sum of its proper divisors (41720757995619).
86612175852381 is a wasteful number, since it uses less digits than its factorization.
86612175852381 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 464981305 (or 464981299 counting only the distinct ones).
The product of its digits is 38707200, while the sum is 63.
The spelling of 86612175852381 in words is "eighty-six trillion, six hundred twelve billion, one hundred seventy-five million, eight hundred fifty-two thousand, three hundred eighty-one".
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