Base | Representation |
---|---|
bin | 100100001111100001… |
… | …101001001100011110 |
3 | 10201110001210010212112 |
4 | 210033201221030132 |
5 | 1114144241332030 |
6 | 25513303234022 |
7 | 2545232413106 |
oct | 441741511436 |
9 | 121401703775 |
10 | 38915183390 |
11 | 1555a674296 |
12 | 7660748912 |
13 | 38923b9845 |
14 | 1c524a2206 |
15 | 102b64ea95 |
hex | 90f86931e |
38915183390 has 32 divisors (see below), whose sum is σ = 70404111360. Its totient is φ = 15486912000.
The previous prime is 38915183387. The next prime is 38915183401. The reversal of 38915183390 is 9338151983.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2766896 + ... + 2780924.
It is an arithmetic number, because the mean of its divisors is an integer number (2200128480).
Almost surely, 238915183390 is an apocalyptic number.
38915183390 is a deficient number, since it is larger than the sum of its proper divisors (31488927970).
38915183390 is a wasteful number, since it uses less digits than its factorization.
38915183390 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15428.
The product of its (nonzero) digits is 699840, while the sum is 50.
The spelling of 38915183390 in words is "thirty-eight billion, nine hundred fifteen million, one hundred eighty-three thousand, three hundred ninety".
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