Base | Representation |
---|---|
bin | 10010011111111100… |
… | …00010000011000000 |
3 | 221122011001100102201 |
4 | 21033332002003000 |
5 | 130314442032333 |
6 | 4321300322544 |
7 | 501054113200 |
oct | 111776020300 |
9 | 27564040381 |
10 | 9931595968 |
11 | 4237144058 |
12 | 1b120a3454 |
13 | c2378a208 |
14 | 6a3038400 |
15 | 3d1d9a17d |
hex | 24ff820c0 |
9931595968 has 84 divisors (see below), whose sum is σ = 23485111272. Its totient is φ = 4152529920.
The previous prime is 9931595951. The next prime is 9931596011. The reversal of 9931595968 is 8695951399.
It is a Harshad number since it is a multiple of its sum of digits (64).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89955 + ... + 167197.
It is an arithmetic number, because the mean of its divisors is an integer number (279584658).
Almost surely, 29931595968 is an apocalyptic number.
9931595968 is a gapful number since it is divisible by the number (98) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 9931595968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11742555636).
9931595968 is an abundant number, since it is smaller than the sum of its proper divisors (13553515304).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9931595968 is a wasteful number, since it uses less digits than its factorization.
9931595968 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 77310 (or 77293 counting only the distinct ones).
The product of its digits is 23619600, while the sum is 64.
The square root of 9931595968 is about 99657.3929420191. The cubic root of 9931595968 is about 2149.5110456877.
The spelling of 9931595968 in words is "nine billion, nine hundred thirty-one million, five hundred ninety-five thousand, nine hundred sixty-eight".
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