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12219940608 = 28315911381
BaseRepresentation
bin10110110000101110…
…10111111100000000
31011112121222022010220
423120113113330000
5200011301044413
65340323423040
7611551532001
oct133027277400
934477868126
1012219940608
115200924277
122450524a80
1311c98b11b5
1483cd111a8
154b7c18223
hex2d85d7f00

12219940608 has 36 divisors (see below), whose sum is σ = 32522864808. Its totient is φ = 4073313280.

The previous prime is 12219940547. The next prime is 12219940613. The reversal of 12219940608 is 80604991221.

12219940608 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12219940608.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7954923 + ... + 7956458.

Almost surely, 212219940608 is an apocalyptic number.

It is an amenable number.

12219940608 is an abundant number, since it is smaller than the sum of its proper divisors (20302924200).

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

12219940608 is an equidigital number, since it uses as much as digits as its factorization.

12219940608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15911400 (or 15911386 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The spelling of 12219940608 in words is "twelve billion, two hundred nineteen million, nine hundred forty thousand, six hundred eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 768 15911381 31822762 47734143 63645524 95468286 127291048 190936572 254582096 381873144 509164192 763746288 1018328384 1527492576 2036656768 3054985152 4073313536 6109970304 12219940608