Base | Representation |
---|---|
bin | 11101011001011010… |
… | …001010101111010110 |
3 | 10000110210202010120220 |
4 | 131121122022233112 |
5 | 1004121042144110 |
6 | 22300051135210 |
7 | 2165130253545 |
oct | 353132125726 |
9 | 100423663526 |
10 | 31564803030 |
11 | 12428565782 |
12 | 614aba4506 |
13 | 2c90626557 |
14 | 17561ba15c |
15 | c4b1c4370 |
hex | 75968abd6 |
31564803030 has 16 divisors (see below), whose sum is σ = 75755527344. Its totient is φ = 8417280800.
The previous prime is 31564802947. The next prime is 31564803173. The reversal of 31564803030 is 3030846513.
It is a junction number, because it is equal to n+sod(n) for n = 31564802982 and 31564803000.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 526080021 + ... + 526080080.
It is an arithmetic number, because the mean of its divisors is an integer number (4734720459).
Almost surely, 231564803030 is an apocalyptic number.
31564803030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
31564803030 is an abundant number, since it is smaller than the sum of its proper divisors (44190724314).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31564803030 is a wasteful number, since it uses less digits than its factorization.
31564803030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1052160111.
The product of its (nonzero) digits is 25920, while the sum is 33.
The spelling of 31564803030 in words is "thirty-one billion, five hundred sixty-four million, eight hundred three thousand, thirty".
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