Base | Representation |
---|---|
bin | 100100000010000000… |
… | …010111010011000000 |
3 | 10200212020222002112022 |
4 | 210002000113103000 |
5 | 1113213204334040 |
6 | 25435001421012 |
7 | 2536506411263 |
oct | 440200272300 |
9 | 120766862468 |
10 | 38688355520 |
11 | 15453628141 |
12 | 75b879a768 |
13 | 38573cb379 |
14 | 1c302d8cda |
15 | 10167966b5 |
hex | 9020174c0 |
38688355520 has 56 divisors (see below), whose sum is σ = 92143496688. Its totient is φ = 15472512000.
The previous prime is 38688355493. The next prime is 38688355571. The reversal of 38688355520 is 2555388683.
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, 3162215 + ... + 3174425.
Almost surely, 238688355520 is an apocalyptic number.
It is an amenable number.
38688355520 is an abundant number, since it is smaller than the sum of its proper divisors (53455141168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38688355520 is a wasteful number, since it uses less digits than its factorization.
38688355520 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22129 (or 22119 counting only the distinct ones).
The product of its (nonzero) digits is 6912000, while the sum is 53.
The spelling of 38688355520 in words is "thirty-eight billion, six hundred eighty-eight million, three hundred fifty-five thousand, five hundred twenty".
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