Base | Representation |
---|---|
bin | 10011010111110101… |
… | …11011000000000000 |
3 | 222211211110022102221 |
4 | 21223322323000000 |
5 | 132300014331340 |
6 | 4440011420424 |
7 | 515510103661 |
oct | 115372730000 |
9 | 28754408387 |
10 | 10400542720 |
11 | 4457920757 |
12 | 2023154714 |
13 | c9998bab9 |
14 | 709429368 |
15 | 40d12c44a |
hex | 26bebb000 |
10400542720 has 52 divisors (see below), whose sum is σ = 24958304640. Its totient is φ = 4160208896.
The previous prime is 10400542703. The next prime is 10400542751. The reversal of 10400542720 is 2724500401.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233440 + ... + 274399.
Almost surely, 210400542720 is an apocalyptic number.
10400542720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
10400542720 is an abundant number, since it is smaller than the sum of its proper divisors (14557761920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10400542720 is an frugal number, since it uses more digits than its factorization.
10400542720 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 507868 (or 507846 counting only the distinct ones).
The product of its (nonzero) digits is 2240, while the sum is 25.
The spelling of 10400542720 in words is "ten billion, four hundred million, five hundred forty-two thousand, seven hundred twenty".
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