Base | Representation |
---|---|
bin | 100100000010111110… |
… | …000001110100001100 |
3 | 10200220101101100122210 |
4 | 210002332001310030 |
5 | 1113231324123320 |
6 | 25440340110420 |
7 | 2540063665344 |
oct | 440276016414 |
9 | 120811340583 |
10 | 38704520460 |
11 | 154617690a1 |
12 | 7602095410 |
13 | 385a86b018 |
14 | 1c32505d24 |
15 | 1017ddb0e0 |
hex | 902f81d0c |
38704520460 has 24 divisors (see below), whose sum is σ = 108372657456. Its totient is φ = 10321205440.
The previous prime is 38704520453. The next prime is 38704520549. The reversal of 38704520460 is 6402540783.
It is a happy number.
It is a super-2 number, since 2×387045204602 (a number of 22 digits) contains 22 as substring.
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, 322537611 + ... + 322537730.
It is an arithmetic number, because the mean of its divisors is an integer number (4515527394).
Almost surely, 238704520460 is an apocalyptic number.
38704520460 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
38704520460 is an abundant number, since it is smaller than the sum of its proper divisors (69668136996).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38704520460 is a wasteful number, since it uses less digits than its factorization.
38704520460 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 645075353 (or 645075351 counting only the distinct ones).
The product of its (nonzero) digits is 161280, while the sum is 39.
The spelling of 38704520460 in words is "thirty-eight billion, seven hundred four million, five hundred twenty thousand, four hundred sixty".
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