Base | Representation |
---|---|
bin | 10000010100100… |
… | …00110110000101 |
3 | 100112121122200210 |
4 | 20022100312011 |
5 | 240022030130 |
6 | 21330230033 |
7 | 3251462112 |
oct | 1012206605 |
9 | 315548623 |
10 | 136908165 |
11 | 70310149 |
12 | 39a25319 |
13 | 22496c64 |
14 | 1427b909 |
15 | c0455b0 |
hex | 8290d85 |
136908165 has 16 divisors (see below), whose sum is σ = 219470976. Its totient is φ = 72878400.
The previous prime is 136908139. The next prime is 136908199. The reversal of 136908165 is 561809631.
It is not a de Polignac number, because 136908165 - 29 = 136907653 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 321 + ... + 16550.
It is an arithmetic number, because the mean of its divisors is an integer number (13716936).
Almost surely, 2136908165 is an apocalyptic number.
136908165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
136908165 is a deficient number, since it is larger than the sum of its proper divisors (82562811).
136908165 is a wasteful number, since it uses less digits than its factorization.
136908165 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17420.
The product of its (nonzero) digits is 38880, while the sum is 39.
The square root of 136908165 is about 11700.7762563003. The cubic root of 136908165 is about 515.3984599699.
The spelling of 136908165 in words is "one hundred thirty-six million, nine hundred eight thousand, one hundred sixty-five".
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