Base | Representation |
---|---|
bin | 10000001110001… |
… | …01001000111011 |
3 | 100111001021010220 |
4 | 20013011020323 |
5 | 234313330122 |
6 | 21300311123 |
7 | 3241415403 |
oct | 1007051073 |
9 | 314037126 |
10 | 136073787 |
11 | 6a8a0283 |
12 | 396a24a3 |
13 | 22264245 |
14 | 14101803 |
15 | be2d25c |
hex | 81c523b |
136073787 has 16 divisors (see below), whose sum is σ = 189665280. Its totient is φ = 86673600.
The previous prime is 136073779. The next prime is 136073837. The reversal of 136073787 is 787370631.
It is not a de Polignac number, because 136073787 - 23 = 136073779 is a prime.
It is not an unprimeable number, because it can be changed into a prime (136073767) 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, 1914 + ... + 16607.
It is an arithmetic number, because the mean of its divisors is an integer number (11854080).
Almost surely, 2136073787 is an apocalyptic number.
136073787 is a deficient number, since it is larger than the sum of its proper divisors (53591493).
136073787 is a wasteful number, since it uses less digits than its factorization.
136073787 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18634.
The product of its (nonzero) digits is 148176, while the sum is 42.
The square root of 136073787 is about 11665.0669522296. The cubic root of 136073787 is about 514.3493048242.
The spelling of 136073787 in words is "one hundred thirty-six million, seventy-three thousand, seven hundred eighty-seven".
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