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268118671 = 192742711
BaseRepresentation
bin11111111101100…
…10101010001111
3200200111211200011
433332302222033
51022114244141
642334414051
76433654042
oct1776625217
9620454604
10268118671
11128389587
1275961327
1343717702
1427874c59
1518812881
hexffb2a8f

268118671 has 6 divisors (see below), whose sum is σ = 282973272. Its totient is φ = 254006820.

The previous prime is 268118663. The next prime is 268118677. The reversal of 268118671 is 176811862.

It is not a de Polignac number, because 268118671 - 23 = 268118663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268118677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 370995 + ... + 371716.

It is an arithmetic number, because the mean of its divisors is an integer number (47162212).

Almost surely, 2268118671 is an apocalyptic number.

268118671 is a deficient number, since it is larger than the sum of its proper divisors (14854601).

268118671 is an equidigital number, since it uses as much as digits as its factorization.

268118671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742749 (or 742730 counting only the distinct ones).

The product of its digits is 32256, while the sum is 40.

The square root of 268118671 is about 16374.3296351332. The cubic root of 268118671 is about 644.8257213977.

The spelling of 268118671 in words is "two hundred sixty-eight million, one hundred eighteen thousand, six hundred seventy-one".

Divisors: 1 19 361 742711 14111509 268118671