Base | Representation |
---|---|
bin | 101000010101101011… |
… | …0111001010111111101 |
3 | 22021121011112210020221 |
4 | 1100223112321113331 |
5 | 2404402423042011 |
6 | 103443520141341 |
7 | 6154456245016 |
oct | 1205326712775 |
9 | 267534483227 |
10 | 86626768381 |
11 | 3381360926a |
12 | 14957167851 |
13 | 822700c53a |
14 | 429acdc00d |
15 | 23c0160971 |
hex | 142b5b95fd |
86626768381 has 8 divisors (see below), whose sum is σ = 91389168000. Its totient is φ = 81884678400.
The previous prime is 86626768367. The next prime is 86626768391. The reversal of 86626768381 is 18386762668.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 86626768381 - 229 = 86089897469 is a prime.
It is a super-2 number, since 2×866267683812 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (86626768351) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5068645 + ... + 5085706.
It is an arithmetic number, because the mean of its divisors is an integer number (11423646000).
Almost surely, 286626768381 is an apocalyptic number.
It is an amenable number.
86626768381 is a deficient number, since it is larger than the sum of its proper divisors (4762399619).
86626768381 is a wasteful number, since it uses less digits than its factorization.
86626768381 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10154819.
The product of its digits is 27869184, while the sum is 61.
The spelling of 86626768381 in words is "eighty-six billion, six hundred twenty-six million, seven hundred sixty-eight thousand, three hundred eighty-one".
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