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268112823 = 31117945389
BaseRepresentation
bin11111111101100…
…01001110110111
3200200111112122120
433332301032313
51022114102243
642334331023
76433631016
oct1776611667
9620445576
10268112823
11128385150
1275959a73
1343714b54
1427872a7d
1518810c83
hexffb13b7

268112823 has 16 divisors (see below), whose sum is σ = 392169600. Its totient is φ = 161581280.

The previous prime is 268112813. The next prime is 268112833. The reversal of 268112823 is 328211862.

It is an interprime number because it is at equal distance from previous prime (268112813) and next prime (268112833).

It is a cyclic number.

It is not a de Polignac number, because 268112823 - 217 = 267981751 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268112813) 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, 16788 + ... + 28601.

It is an arithmetic number, because the mean of its divisors is an integer number (24510600).

Almost surely, 2268112823 is an apocalyptic number.

268112823 is a deficient number, since it is larger than the sum of its proper divisors (124056777).

268112823 is a wasteful number, since it uses less digits than its factorization.

268112823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45582.

The product of its digits is 9216, while the sum is 33.

The square root of 268112823 is about 16374.1510619635. The cubic root of 268112823 is about 644.8210332147.

The spelling of 268112823 in words is "two hundred sixty-eight million, one hundred twelve thousand, eight hundred twenty-three".

Divisors: 1 3 11 33 179 537 1969 5907 45389 136167 499279 1497837 8124631 24373893 89370941 268112823