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268712907 = 3374016037
BaseRepresentation
bin10000000001000…
…011101111001011
3200201122000210220
4100001003233023
51022242303112
642355241123
76442010361
oct2001035713
9621560726
10268712907
11128754a91
1275ba91a3
1343895028
142798b631
15188cd98c
hex10043bcb

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".

Divisors: 1 3 37 111 401 1203 6037 14837 18111 44511 223369 670107 2420837 7262511 89570969 268712907