Base | Representation |
---|---|
bin | 100100001011010110… |
… | …000000010110110000 |
3 | 10201021011202122211011 |
4 | 210023112000112300 |
5 | 1114023311224124 |
6 | 25502315400304 |
7 | 2543421152566 |
oct | 441326002660 |
9 | 121234678734 |
10 | 38845023664 |
11 | 15524004247 |
12 | 7641153094 |
13 | 38809c3405 |
14 | 1c4703ba36 |
15 | 10253e1994 |
hex | 90b5805b0 |
38845023664 has 40 divisors (see below), whose sum is σ = 79999643088. Its totient is φ = 18208849920.
The previous prime is 38845023661. The next prime is 38845023671. The reversal of 38845023664 is 46632054883.
It is not an unprimeable number, because it can be changed into a prime (38845023661) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207942 + ... + 347749.
Almost surely, 238845023664 is an apocalyptic number.
38845023664 is a gapful number since it is divisible by the number (34) formed by its first and last digit.
It is an amenable number.
38845023664 is an abundant number, since it is smaller than the sum of its proper divisors (41154619424).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38845023664 is a wasteful number, since it uses less digits than its factorization.
38845023664 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 555973 (or 555967 counting only the distinct ones).
The product of its (nonzero) digits is 3317760, while the sum is 49.
The spelling of 38845023664 in words is "thirty-eight billion, eight hundred forty-five million, twenty-three thousand, six hundred sixty-four".
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