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12206055144 = 2331669330467
BaseRepresentation
bin10110101111000100…
…11001111011101000
31011111122211211212110
423113202121323220
5144444222231034
65335110042320
7611322520413
oct132742317350
934448754773
1012206055144
1151a3aaa988
1224479493a0
1311c6a5bc4a
1483b138b7a
154b68c3de9
hex2d7899ee8

12206055144 has 32 divisors (see below), whose sum is σ = 30517967520. Its totient is φ = 4068307776.

The previous prime is 12206055119. The next prime is 12206055151. The reversal of 12206055144 is 44155060221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385399 + ... + 415865.

It is an arithmetic number, because the mean of its divisors is an integer number (953686485).

Almost surely, 212206055144 is an apocalyptic number.

It is an amenable number.

12206055144 is an abundant number, since it is smaller than the sum of its proper divisors (18311912376).

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

12206055144 is a wasteful number, since it uses less digits than its factorization.

12206055144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47169 (or 47165 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The spelling of 12206055144 in words is "twelve billion, two hundred six million, fifty-five thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 16693 30467 33386 50079 60934 66772 91401 100158 121868 133544 182802 200316 243736 365604 400632 731208 508585631 1017171262 1525756893 2034342524 3051513786 4068685048 6103027572 12206055144