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12447068214342 = 23793472218087
BaseRepresentation
bin1011010100100000111100…
…0101000101010001000110
31122001221001120210111120010
42311020033011011101012
53112413043430324332
642250034301251050
72423161645102146
oct265101705052106
948057046714503
1012447068214342
113a698545702a3
1214903a9b63a86
136c39a457b218
14310626d84926
15168b9bae19cc
hexb520f145446

12447068214342 has 48 divisors (see below), whose sum is σ = 25282226511360. Its totient is φ = 4084679247792.

The previous prime is 12447068214289. The next prime is 12447068214419. The reversal of 12447068214342 is 24341286074421.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12447068214291 and 12447068214300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56964823 + ... + 57182909.

It is an arithmetic number, because the mean of its divisors is an integer number (526713052320).

Almost surely, 212447068214342 is an apocalyptic number.

12447068214342 is an abundant number, since it is smaller than the sum of its proper divisors (12835158297018).

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

12447068214342 is an equidigital number, since it uses as much as digits as its factorization.

12447068214342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218865 (or 218518 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 48.

The spelling of 12447068214342 in words is "twelve trillion, four hundred forty-seven billion, sixty-eight million, two hundred fourteen thousand, three hundred forty-two".

Divisors: 1 2 3 6 79 158 237 347 474 694 1041 2082 27413 54826 82239 120409 164478 218087 240818 361227 436174 654261 722454 1308522 9512311 17228873 19024622 28536933 34457746 51686619 57073866 75676189 103373238 151352378 227028567 454057134 5978418931 11956837862 17935256793 26259637583 35870513586 52519275166 78778912749 157557825498 2074511369057 4149022738114 6223534107171 12447068214342