Base | Representation |
---|---|
bin | 10000000001000… |
… | …011101111001011 |
3 | 200201122000210220 |
4 | 100001003233023 |
5 | 1022242303112 |
6 | 42355241123 |
7 | 6442010361 |
oct | 2001035713 |
9 | 621560726 |
10 | 268712907 |
11 | 128754a91 |
12 | 75ba91a3 |
13 | 43895028 |
14 | 2798b631 |
15 | 188cd98c |
hex | 10043bcb |
268712907 has 16 divisors (see below), whose sum is σ = 368945952. Its totient is φ = 173836800.
The previous prime is 268712903. The next prime is 268712909. The reversal of 268712907 is 709217862.
It is not a de Polignac number, because 268712907 - 22 = 268712903 is a prime.
It is not an unprimeable number, because it can be changed into a prime (268712903) 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, 41493 + ... + 47529.
It is an arithmetic number, because the mean of its divisors is an integer number (23059122).
Almost surely, 2268712907 is an apocalyptic number.
268712907 is a deficient number, since it is larger than the sum of its proper divisors (100233045).
268712907 is a wasteful number, since it uses less digits than its factorization.
268712907 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6478.
The product of its (nonzero) digits is 84672, while the sum is 42.
The square root of 268712907 is about 16392.4649458219. The cubic root of 268712907 is about 645.3017493225.
The spelling of 268712907 in words is "two hundred sixty-eight million, seven hundred twelve thousand, nine hundred seven".
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