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23021100612 = 2233613494399
BaseRepresentation
bin10101011100001010…
…100001111001000100
32012102101021002012000
4111130022201321010
5334121400204422
614324210025300
71443325061256
oct253412417104
965371232160
1023021100612
1198438a1694
124565878230
13222b569533
141185621cd6
158eb0cbcac
hex55c2a1e44

23021100612 has 48 divisors (see below), whose sum is σ = 60662784000. Its totient is φ = 7547899680.

The previous prime is 23021100601. The next prime is 23021100629. The reversal of 23021100612 is 21600112032.

23021100612 is a `hidden beast` number, since 2 + 30 + 21 + 1 + 0 + 0 + 612 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 1740612 + ... + 1753787.

It is an arithmetic number, because the mean of its divisors is an integer number (1263808000).

Almost surely, 223021100612 is an apocalyptic number.

It is an amenable number.

23021100612 is an abundant number, since it is smaller than the sum of its proper divisors (37641683388).

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

23021100612 is a wasteful number, since it uses less digits than its factorization.

23021100612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3494473 (or 3494465 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 23021100612 its reverse (21600112032), we get a palindrome (44621212644).

The spelling of 23021100612 in words is "twenty-three billion, twenty-one million, one hundred thousand, six hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 61 108 122 183 244 366 549 732 1098 1647 2196 3294 6588 3494399 6988798 10483197 13977596 20966394 31449591 41932788 62899182 94348773 125798364 188697546 213158339 377395092 426316678 639475017 852633356 1278950034 1918425051 2557900068 3836850102 5755275153 7673700204 11510550306 23021100612