Base | Representation |
---|---|
bin | 10010011001111001… |
… | …01101000000000000 |
3 | 221111121200112112200 |
4 | 21030330231000000 |
5 | 130214003302333 |
6 | 4312250153200 |
7 | 466600254120 |
oct | 111474550000 |
9 | 27447615480 |
10 | 9880915968 |
11 | 4210579460 |
12 | 1ab9122800 |
13 | c16124451 |
14 | 69a404c80 |
15 | 3cc6d8c13 |
hex | 24cf2d000 |
9880915968 has 468 divisors, whose sum is σ = 36197405088. Its totient is φ = 2522972160.
The previous prime is 9880915937. The next prime is 9880915973. The reversal of 9880915968 is 8695190889.
It is a Harshad number since it is a multiple of its sum of digits (63).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 167473123 + ... + 167473181.
Almost surely, 29880915968 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 9880915968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18098702544).
9880915968 is an abundant number, since it is smaller than the sum of its proper divisors (26316489120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9880915968 is a wasteful number, since it uses less digits than its factorization.
9880915968 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 166 (or 82 counting only the distinct ones).
The product of its (nonzero) digits is 11197440, while the sum is 63.
The square root of 9880915968 is about 99402.7965803780. The cubic root of 9880915968 is about 2145.8485579383.
The spelling of 9880915968 in words is "nine billion, eight hundred eighty million, nine hundred fifteen thousand, nine hundred sixty-eight".
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