Base | Representation |
---|---|
bin | 100011111001111001… |
… | …010100000110000000 |
3 | 10200111202221020021011 |
4 | 203321321110012000 |
5 | 1112423341232124 |
6 | 25413301210304 |
7 | 2533235024650 |
oct | 437171240600 |
9 | 120452836234 |
10 | 38552289664 |
11 | 15393842919 |
12 | 757b100994 |
13 | 383516a925 |
14 | 1c1a1da360 |
15 | 100986a994 |
hex | 8f9e54180 |
38552289664 has 64 divisors (see below), whose sum is σ = 87810372000. Its totient is φ = 16515809280.
The previous prime is 38552289647. The next prime is 38552289667. The reversal of 38552289664 is 46698225583.
It is a tau number, because it is divible by the number of its divisors (64).
It is a super-2 number, since 2×385522896642 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 38552289599 and 38552289608.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38552289667) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2717662 + ... + 2731810.
Almost surely, 238552289664 is an apocalyptic number.
It is an amenable number.
38552289664 is an abundant number, since it is smaller than the sum of its proper divisors (49258082336).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38552289664 is a wasteful number, since it uses less digits than its factorization.
38552289664 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17211 (or 17199 counting only the distinct ones).
The product of its digits is 24883200, while the sum is 58.
The spelling of 38552289664 in words is "thirty-eight billion, five hundred fifty-two million, two hundred eighty-nine thousand, six hundred sixty-four".
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