Base | Representation |
---|---|
bin | 1011000111111100… |
… | …1101110011100110 |
3 | 21201002221120102100 |
4 | 2301333031303212 |
5 | 22103422420404 |
6 | 1212151152530 |
7 | 133666522116 |
oct | 26177156346 |
9 | 7632846370 |
10 | 2986138854 |
11 | 12a2663356 |
12 | 6b4075746 |
13 | 38787038a |
14 | 204839046 |
15 | 127256d39 |
hex | b1fcdce6 |
2986138854 has 48 divisors (see below), whose sum is σ = 6595729920. Its totient is φ = 976201200.
The previous prime is 2986138823. The next prime is 2986138867. The reversal of 2986138854 is 4588316892.
It is a self number, because there is not a number n which added to its sum of digits gives 2986138854.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 207769 + ... + 221675.
It is an arithmetic number, because the mean of its divisors is an integer number (137411040).
Almost surely, 22986138854 is an apocalyptic number.
2986138854 is an abundant number, since it is smaller than the sum of its proper divisors (3609591066).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2986138854 is a wasteful number, since it uses less digits than its factorization.
2986138854 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14145 (or 14142 counting only the distinct ones).
The product of its digits is 3317760, while the sum is 54.
The square root of 2986138854 is about 54645.5748803140. The cubic root of 2986138854 is about 1440.0248925095.
The spelling of 2986138854 in words is "two billion, nine hundred eighty-six million, one hundred thirty-eight thousand, eight hundred fifty-four".
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