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21314127054 = 2311322941319
BaseRepresentation
bin10011110110011010…
…111100010011001110
32001000102021211200010
4103312122330103032
5322122404031204
613442551414050
71353120043053
oct236632742316
961012254603
1021314127054
1190482a6140
12416a084326
132018a1aacc
141062a4302a
1584b2ebd89
hex4f66bc4ce

21314127054 has 16 divisors (see below), whose sum is σ = 46503550080. Its totient is φ = 6458826360.

The previous prime is 21314127053. The next prime is 21314127067. The reversal of 21314127054 is 45072141312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21314127053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161470594 + ... + 161470725.

It is an arithmetic number, because the mean of its divisors is an integer number (2906471880).

Almost surely, 221314127054 is an apocalyptic number.

21314127054 is an abundant number, since it is smaller than the sum of its proper divisors (25189423026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21314127054 is a wasteful number, since it uses less digits than its factorization.

21314127054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322941335.

The product of its (nonzero) digits is 6720, while the sum is 30.

Adding to 21314127054 its reverse (45072141312), we get a palindrome (66386268366).

The spelling of 21314127054 in words is "twenty-one billion, three hundred fourteen million, one hundred twenty-seven thousand, fifty-four".

Divisors: 1 2 3 6 11 22 33 66 322941319 645882638 968823957 1937647914 3552354509 7104709018 10657063527 21314127054