Base | Representation |
---|---|
bin | 100100000000111100… |
… | …010001011100111110 |
3 | 10200211000101020022012 |
4 | 210000330101130332 |
5 | 1113144122141130 |
6 | 25433123051222 |
7 | 2536201606250 |
oct | 440074213476 |
9 | 120730336265 |
10 | 38670505790 |
11 | 154445463a4 |
12 | 75b2810b12 |
13 | 38537bb8b7 |
14 | 1c2bbadcd0 |
15 | 1014e1c995 |
hex | 900f1173e |
38670505790 has 16 divisors (see below), whose sum is σ = 79550754912. Its totient is φ = 13258459104.
The previous prime is 38670505789. The next prime is 38670505807. The reversal of 38670505790 is 9750507683.
It is a happy number.
It is a congruent number.
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, 276217829 + ... + 276217968.
It is an arithmetic number, because the mean of its divisors is an integer number (4971922182).
Almost surely, 238670505790 is an apocalyptic number.
38670505790 is an abundant number, since it is smaller than the sum of its proper divisors (40880249122).
38670505790 is a wasteful number, since it uses less digits than its factorization.
38670505790 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 552435811.
The product of its (nonzero) digits is 1587600, while the sum is 50.
The spelling of 38670505790 in words is "thirty-eight billion, six hundred seventy million, five hundred five thousand, seven hundred ninety".
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