Base | Representation |
---|---|
bin | 110001010010000010… |
… | …0001001001101001000 |
3 | 101010011121010200121220 |
4 | 1202210010021031020 |
5 | 3213220412433213 |
6 | 120341330002040 |
7 | 10434416105160 |
oct | 1424404111510 |
9 | 333147120556 |
10 | 105831764808 |
11 | 409792aa340 |
12 | 18616a16320 |
13 | 9c97a93553 |
14 | 519d7995a0 |
15 | 2b461dee23 |
hex | 18a4109348 |
105831764808 has 64 divisors (see below), whose sum is σ = 329865246720. Its totient is φ = 27488769600.
The previous prime is 105831764791. The next prime is 105831764851. The reversal of 105831764808 is 808467138501.
It is a happy number.
It is a super-2 number, since 2×1058317648082 (a number of 23 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28632288 + ... + 28635983.
It is an arithmetic number, because the mean of its divisors is an integer number (5154144480).
Almost surely, 2105831764808 is an apocalyptic number.
It is an amenable number.
105831764808 is an abundant number, since it is smaller than the sum of its proper divisors (224033481912).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
105831764808 is a wasteful number, since it uses less digits than its factorization.
105831764808 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57268298 (or 57268294 counting only the distinct ones).
The product of its (nonzero) digits is 1290240, while the sum is 51.
The spelling of 105831764808 in words is "one hundred five billion, eight hundred thirty-one million, seven hundred sixty-four thousand, eight hundred eight".
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