Base | Representation |
---|---|
bin | 11110100011111000011… |
… | …111110100001101001000 |
3 | 21102202202111100210211100 |
4 | 132203320133310031020 |
5 | 233402012430132222 |
6 | 4244440104501400 |
7 | 304504522033401 |
oct | 36437037641510 |
9 | 7382674323740 |
10 | 2100113130312 |
11 | 73a72012640a |
12 | 29b02377a860 |
13 | 123069633c12 |
14 | 7390895c9a8 |
15 | 399671124ac |
hex | 1e8f87f4348 |
2100113130312 has 48 divisors (see below), whose sum is σ = 5693421406140. Its totient is φ = 699346631808.
The previous prime is 2100113130299. The next prime is 2100113130317. The reversal of 2100113130312 is 2130313110012.
2100113130312 is a `hidden beast` number, since 210 + 0 + 1 + 13 + 130 + 312 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 2056166716356 + 43946413956 = 1433934^2 + 209634^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (2100113130317) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14324023 + ... + 14469894.
Almost surely, 22100113130312 is an apocalyptic number.
It is an amenable number.
2100113130312 is an abundant number, since it is smaller than the sum of its proper divisors (3593308275828).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2100113130312 is a wasteful number, since it uses less digits than its factorization.
2100113130312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28794942 (or 28794935 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
Adding to 2100113130312 its reverse (2130313110012), we get a palindrome (4230426240324).
The spelling of 2100113130312 in words is "two trillion, one hundred billion, one hundred thirteen million, one hundred thirty thousand, three hundred twelve".
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