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12213345054 = 2317382131337
BaseRepresentation
bin10110101111111100…
…01101101100011110
31011112011120012202010
423113332031230132
5200003104020204
65335530212050
7611441501661
oct132776155436
934464505663
1012213345054
1151a81299a9
12244a284026
1311c84120c1
1483c0b56d8
154b7363d89
hex2d7f8db1e

12213345054 has 32 divisors (see below), whose sum is σ = 25871148576. Its totient is φ = 3830512640.

The previous prime is 12213345049. The next prime is 12213345061. The reversal of 12213345054 is 45054331221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 374074 + ... + 405410.

It is an arithmetic number, because the mean of its divisors is an integer number (808473393).

Almost surely, 212213345054 is an apocalyptic number.

12213345054 is an abundant number, since it is smaller than the sum of its proper divisors (13657803522).

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

12213345054 is a wasteful number, since it uses less digits than its factorization.

12213345054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35180.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 12213345054 its reverse (45054331221), we get a palindrome (57267676275).

The spelling of 12213345054 in words is "twelve billion, two hundred thirteen million, three hundred forty-five thousand, fifty-four".

Divisors: 1 2 3 6 17 34 51 102 3821 7642 11463 22926 31337 62674 64957 94011 129914 188022 194871 389742 532729 1065458 1598187 3196374 119738677 239477354 359216031 718432062 2035557509 4071115018 6106672527 12213345054