Base | Representation |
---|---|
bin | 10010101000110111… |
… | …111101110000000101 |
3 | 1220122202012102222102 |
4 | 102220313331300011 |
5 | 311441324043300 |
6 | 13105514241445 |
7 | 1305641435153 |
oct | 225067756005 |
9 | 56582172872 |
10 | 20013112325 |
11 | 853a975558 |
12 | 3a66426285 |
13 | 1b6c318ccb |
14 | d7bd3a3d3 |
15 | 7c1eab0d5 |
hex | 4a8dfdc05 |
20013112325 has 24 divisors (see below), whose sum is σ = 24934716576. Its totient is φ = 15934248000.
The previous prime is 20013112297. The next prime is 20013112393. The reversal of 20013112325 is 52321131002.
It is not a de Polignac number, because 20013112325 - 28 = 20013112069 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20013112297 and 20013112306.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5650055 + ... + 5653595.
It is an arithmetic number, because the mean of its divisors is an integer number (1038946524).
Almost surely, 220013112325 is an apocalyptic number.
20013112325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
20013112325 is a deficient number, since it is larger than the sum of its proper divisors (4921604251).
20013112325 is a wasteful number, since it uses less digits than its factorization.
20013112325 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4565 (or 4560 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 20.
Adding to 20013112325 its reverse (52321131002), we get a palindrome (72334243327).
The spelling of 20013112325 in words is "twenty billion, thirteen million, one hundred twelve thousand, three hundred twenty-five".
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