Base | Representation |
---|---|
bin | 1101000000101… |
… | …11101111101000 |
3 | 21121101100111111 |
4 | 12200113233220 |
5 | 210420233120 |
6 | 14455240104 |
7 | 2463516061 |
oct | 640275750 |
9 | 247340444 |
10 | 109149160 |
11 | 5668041a |
12 | 30679034 |
13 | 197c8003 |
14 | 106d3568 |
15 | 98b075a |
hex | 6817be8 |
109149160 has 32 divisors (see below), whose sum is σ = 247020840. Its totient is φ = 43404544.
The previous prime is 109149143. The next prime is 109149193. The reversal of 109149160 is 61941901.
It can be written as a sum of positive squares in 4 ways, for example, as 105637284 + 3511876 = 10278^2 + 1874^2 .
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, 967 + ... + 14806.
Almost surely, 2109149160 is an apocalyptic number.
109149160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
109149160 is an abundant number, since it is smaller than the sum of its proper divisors (137871680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
109149160 is a wasteful number, since it uses less digits than its factorization.
109149160 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15957 (or 15953 counting only the distinct ones).
The product of its (nonzero) digits is 1944, while the sum is 31.
The square root of 109149160 is about 10447.4475351638. The cubic root of 109149160 is about 477.9034135478.
The spelling of 109149160 in words is "one hundred nine million, one hundred forty-nine thousand, one hundred sixty".
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