Base | Representation |
---|---|
bin | 100100001010001101… |
… | …000110011111100010 |
3 | 10201012211210200221111 |
4 | 210022031012133202 |
5 | 1114003413143130 |
6 | 25500354013534 |
7 | 2543066544364 |
oct | 441215063742 |
9 | 121184720844 |
10 | 38825912290 |
11 | 15514240620 |
12 | 76368772aa |
13 | 3879a615c9 |
14 | 1c446a4d34 |
15 | 10238b902a |
hex | 90a3467e2 |
38825912290 has 128 divisors (see below), whose sum is σ = 78846566400. Its totient is φ = 13646499840.
The previous prime is 38825912261. The next prime is 38825912341. The reversal of 38825912290 is 9221952883.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 174107119 + ... + 174107341.
It is an arithmetic number, because the mean of its divisors is an integer number (615988800).
Almost surely, 238825912290 is an apocalyptic number.
38825912290 is an abundant number, since it is smaller than the sum of its proper divisors (40020654110).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38825912290 is a wasteful number, since it uses less digits than its factorization.
38825912290 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 632.
The product of its (nonzero) digits is 622080, while the sum is 49.
The spelling of 38825912290 in words is "thirty-eight billion, eight hundred twenty-five million, nine hundred twelve thousand, two hundred ninety".
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