Base | Representation |
---|---|
bin | 10110011010010001… |
… | …10011000010110100 |
3 | 1011001111112002101102 |
4 | 23031020303002310 |
5 | 144120040220400 |
6 | 5305514145232 |
7 | 604103441564 |
oct | 131510630264 |
9 | 34044462342 |
10 | 12031570100 |
11 | 5114564770 |
12 | 23b9422218 |
13 | 1199869364 |
14 | 821cb8da4 |
15 | 4a64099d5 |
hex | 2cd2330b4 |
12031570100 has 36 divisors (see below), whose sum is σ = 28482010368. Its totient is φ = 4375116000.
The previous prime is 12031570099. The next prime is 12031570129. The reversal of 12031570100 is 107513021.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5467796 + ... + 5469995.
Almost surely, 212031570100 is an apocalyptic number.
12031570100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12031570100 is an abundant number, since it is smaller than the sum of its proper divisors (16450440268).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12031570100 is a wasteful number, since it uses less digits than its factorization.
12031570100 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10937816 (or 10937809 counting only the distinct ones).
The product of its (nonzero) digits is 210, while the sum is 20.
The spelling of 12031570100 in words is "twelve billion, thirty-one million, five hundred seventy thousand, one hundred".
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