Base | Representation |
---|---|
bin | 10010111010110111… |
… | …110111011011100101 |
3 | 1221102210101210201021 |
4 | 102322313313123211 |
5 | 313101124420300 |
6 | 13155502331141 |
7 | 1316266204525 |
oct | 227267673345 |
9 | 57383353637 |
10 | 20315076325 |
11 | 8685370585 |
12 | 3b2b589ab1 |
13 | 1bb9a53a2b |
14 | daa0a1685 |
15 | 7dd756d1a |
hex | 4badf76e5 |
20315076325 has 12 divisors (see below), whose sum is σ = 25192466820. Its totient is φ = 16250917760.
The previous prime is 20315076307. The next prime is 20315076367. The reversal of 20315076325 is 52367051302.
It can be written as a sum of positive squares in 6 ways, for example, as 499164964 + 19815911361 = 22342^2 + 140769^2 .
It is not a de Polignac number, because 20315076325 - 29 = 20315075813 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 646887 + ... + 677563.
It is an arithmetic number, because the mean of its divisors is an integer number (2099372235).
Almost surely, 220315076325 is an apocalyptic number.
20315076325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
20315076325 is a deficient number, since it is larger than the sum of its proper divisors (4877390495).
20315076325 is a wasteful number, since it uses less digits than its factorization.
20315076325 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57176 (or 57171 counting only the distinct ones).
The product of its (nonzero) digits is 37800, while the sum is 34.
The spelling of 20315076325 in words is "twenty billion, three hundred fifteen million, seventy-six thousand, three hundred twenty-five".
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