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12244056542 = 221859280069
BaseRepresentation
bin10110110011100110…
…10111100111011110
31011121022100111222122
423121303113213132
5200033434302132
65342544342542
7612263522564
oct133163274736
934538314878
1012244056542
1152134a59a3
122458614a52
1312018a5b93
148421cba34
154b9dcd912
hex2d9cd79de

12244056542 has 8 divisors (see below), whose sum is σ = 18366990600. Its totient is φ = 6121726344.

The previous prime is 12244056533. The next prime is 12244056553. The reversal of 12244056542 is 24565044221.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 96317 + ... + 183752.

It is an arithmetic number, because the mean of its divisors is an integer number (2295873825).

Almost surely, 212244056542 is an apocalyptic number.

12244056542 is a deficient number, since it is larger than the sum of its proper divisors (6122934058).

12244056542 is a wasteful number, since it uses less digits than its factorization.

12244056542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301930.

The product of its (nonzero) digits is 76800, while the sum is 35.

The spelling of 12244056542 in words is "twelve billion, two hundred forty-four million, fifty-six thousand, five hundred forty-two".

Divisors: 1 2 21859 43718 280069 560138 6122028271 12244056542