Base | Representation |
---|---|
bin | 1000000010101011001… |
… | …1001000100001101110 |
3 | 111012121101202211011002 |
4 | 2000222303020201232 |
5 | 4230421143011224 |
6 | 143245104000302 |
7 | 12660442062560 |
oct | 2005263104156 |
9 | 435541684132 |
10 | 138157000814 |
11 | 53657030618 |
12 | 22938600092 |
13 | 10049ac8231 |
14 | 6988961330 |
15 | 38d90229ae |
hex | 202acc886e |
138157000814 has 32 divisors (see below), whose sum is σ = 238741468416. Its totient is φ = 58735272960.
The previous prime is 138157000811. The next prime is 138157000831. The reversal of 138157000814 is 418000751831.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (138157000811) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5200814 + ... + 5227310.
It is an arithmetic number, because the mean of its divisors is an integer number (7460670888).
Almost surely, 2138157000814 is an apocalyptic number.
138157000814 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
138157000814 is a deficient number, since it is larger than the sum of its proper divisors (100584467602).
138157000814 is a wasteful number, since it uses less digits than its factorization.
138157000814 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29480.
The product of its (nonzero) digits is 26880, while the sum is 38.
The spelling of 138157000814 in words is "one hundred thirty-eight billion, one hundred fifty-seven million, eight hundred fourteen", and thus it is an aban number.
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