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22014688405 = 54402937681
BaseRepresentation
bin10100100000001011…
…010111110010010101
32002211020112001011211
4110200023113302111
5330041230012110
614040255101421
71406354523013
oct244013276225
962736461154
1022014688405
119377799266
124324811871
1320cabc5858
1410cbac58b3
1588ca8098a
hex5202d7c95

22014688405 has 4 divisors (see below), whose sum is σ = 26417626092. Its totient is φ = 17611750720.

The previous prime is 22014688369. The next prime is 22014688411. The reversal of 22014688405 is 50488641022.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50488641022 = 225244320511.

It can be written as a sum of positive squares in 2 ways, for example, as 3280196529 + 18734491876 = 57273^2 + 136874^2 .

It is not a de Polignac number, because 22014688405 - 27 = 22014688277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2201468836 + ... + 2201468845.

It is an arithmetic number, because the mean of its divisors is an integer number (6604406523).

Almost surely, 222014688405 is an apocalyptic number.

It is an amenable number.

22014688405 is a deficient number, since it is larger than the sum of its proper divisors (4402937687).

22014688405 is an equidigital number, since it uses as much as digits as its factorization.

22014688405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4402937686.

The product of its (nonzero) digits is 122880, while the sum is 40.

The spelling of 22014688405 in words is "twenty-two billion, fourteen million, six hundred eighty-eight thousand, four hundred five".

Divisors: 1 5 4402937681 22014688405