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2268689091 = 319211188633
BaseRepresentation
bin1000011100111001…
…0111001011000011
312212002221100100220
42013032113023003
514121241022331
61013041514123
7110135352624
oct20716271303
95762840326
102268689091
11a64685769
12533942943
132a20315a6
1417743ba4b
15d4289296
hex873972c3

2268689091 has 16 divisors (see below), whose sum is σ = 3199232640. Its totient is φ = 1426057920.

The previous prime is 2268689069. The next prime is 2268689119. The reversal of 2268689091 is 1909868622.

2268689091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2268689091 - 215 = 2268656323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2268689041) 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, 82290 + ... + 106343.

It is an arithmetic number, because the mean of its divisors is an integer number (199952040).

Almost surely, 22268689091 is an apocalyptic number.

2268689091 is a deficient number, since it is larger than the sum of its proper divisors (930543549).

2268689091 is a wasteful number, since it uses less digits than its factorization.

2268689091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188866.

The product of its (nonzero) digits is 746496, while the sum is 51.

The square root of 2268689091 is about 47630.7578251701. The cubic root of 2268689091 is about 1313.9887923029.

The spelling of 2268689091 in words is "two billion, two hundred sixty-eight million, six hundred eighty-nine thousand, ninety-one".

Divisors: 1 3 19 57 211 633 4009 12027 188633 565899 3584027 10752081 39801563 119404689 756229697 2268689091