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268635113 = 401669913
BaseRepresentation
bin10000000000110…
…000101111101001
3200201111002002122
4100000300233221
51022232310423
642353441025
76441234515
oct2000605751
9621432078
10268635113
1112870159a
1275b70175
13438687b6
142796b145
15188b58c8
hex10030be9

268635113 has 4 divisors (see below), whose sum is σ = 269305428. Its totient is φ = 267964800.

The previous prime is 268635097. The next prime is 268635121. The reversal of 268635113 is 311536862.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 227315929 + 41319184 = 15077^2 + 6428^2 .

It is a cyclic number.

It is not a de Polignac number, because 268635113 - 24 = 268635097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268638113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 334556 + ... + 335357.

It is an arithmetic number, because the mean of its divisors is an integer number (67326357).

Almost surely, 2268635113 is an apocalyptic number.

It is an amenable number.

268635113 is a deficient number, since it is larger than the sum of its proper divisors (670315).

268635113 is an equidigital number, since it uses as much as digits as its factorization.

268635113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670314.

The product of its digits is 25920, while the sum is 35.

The square root of 268635113 is about 16390.0919155446. The cubic root of 268635113 is about 645.2394704017.

The spelling of 268635113 in words is "two hundred sixty-eight million, six hundred thirty-five thousand, one hundred thirteen".

Divisors: 1 401 669913 268635113