Base | Representation |
---|---|
bin | 101110010011… |
… | …011101011111 |
3 | 211211200122222 |
4 | 232103131133 |
5 | 11101411320 |
6 | 1112055555 |
7 | 205113506 |
oct | 56233537 |
9 | 24750588 |
10 | 12138335 |
11 | 6940790 |
12 | 40945bb |
13 | 268cc61 |
14 | 187d83d |
15 | 10eb825 |
hex | b9375f |
12138335 has 16 divisors (see below), whose sum is σ = 16087680. Its totient is φ = 8718240.
The previous prime is 12138317. The next prime is 12138353. The reversal of 12138335 is 53383121.
It is an interprime number because it is at equal distance from previous prime (12138317) and next prime (12138353).
It is not a de Polignac number, because 12138335 - 216 = 12072799 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, 3236 + ... + 5894.
It is an arithmetic number, because the mean of its divisors is an integer number (1005480).
Almost surely, 212138335 is an apocalyptic number.
12138335 is a deficient number, since it is larger than the sum of its proper divisors (3949345).
12138335 is a wasteful number, since it uses less digits than its factorization.
12138335 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2758.
The product of its digits is 2160, while the sum is 26.
The square root of 12138335 is about 3484.0113375246. The cubic root of 12138335 is about 229.8192341479.
The spelling of 12138335 in words is "twelve million, one hundred thirty-eight thousand, three hundred thirty-five".
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