Base | Representation |
---|---|
bin | 101110100110100111… |
… | …0111110110111101010 |
3 | 100120022202012211101100 |
4 | 1131031032332313222 |
5 | 3114430441132340 |
6 | 113550502102230 |
7 | 10142035066536 |
oct | 1351516766752 |
9 | 316282184340 |
10 | 100080020970 |
11 | 39497621036 |
12 | 1749071a976 |
13 | 958c279527 |
14 | 4bb5930bc6 |
15 | 290b294830 |
hex | 174d3bedea |
100080020970 has 48 divisors (see below), whose sum is σ = 262595310120. Its totient is φ = 26443158912.
The previous prime is 100080020959. The next prime is 100080020977. The reversal of 100080020970 is 79020080001.
It can be written as a sum of positive squares in 4 ways, for example, as 71460517041 + 28619503929 = 267321^2 + 169173^2 .
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (100080020977) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5091109 + ... + 5110728.
Almost surely, 2100080020970 is an apocalyptic number.
100080020970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
100080020970 is an abundant number, since it is smaller than the sum of its proper divisors (162515289150).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
100080020970 is a wasteful number, since it uses less digits than its factorization.
100080020970 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10201959 (or 10201956 counting only the distinct ones).
The product of its (nonzero) digits is 1008, while the sum is 27.
The spelling of 100080020970 in words is "one hundred billion, eighty million, twenty thousand, nine hundred seventy".
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