Base | Representation |
---|---|
bin | 100100001100000111… |
… | …000000010001000000 |
3 | 10201022001221020102100 |
4 | 210030013000101000 |
5 | 1114040103241402 |
6 | 25503454550400 |
7 | 2543635300632 |
oct | 441407002100 |
9 | 121261836370 |
10 | 38857868352 |
11 | 15530287696 |
12 | 7645508400 |
13 | 388356ca14 |
14 | 1c48a22a52 |
15 | 10265cc71c |
hex | 90c1c0440 |
38857868352 has 84 divisors (see below), whose sum is σ = 111406838400. Its totient is φ = 12949393152.
The previous prime is 38857868347. The next prime is 38857868369. The reversal of 38857868352 is 25386875883.
38857868352 is a `hidden beast` number, since 3 + 8 + 8 + 578 + 6 + 8 + 3 + 52 = 666.
It is a super-3 number, since 3×388578683523 (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a self number, because there is not a number n which added to its sum of digits gives 38857868352.
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, 3795913 + ... + 3806135.
Almost surely, 238857868352 is an apocalyptic number.
38857868352 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
38857868352 is an abundant number, since it is smaller than the sum of its proper divisors (72548970048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38857868352 is a wasteful number, since it uses less digits than its factorization.
38857868352 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16840 (or 16827 counting only the distinct ones).
The product of its digits is 77414400, while the sum is 63.
The spelling of 38857868352 in words is "thirty-eight billion, eight hundred fifty-seven million, eight hundred sixty-eight thousand, three hundred fifty-two".
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