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12378730614 = 233250763467
BaseRepresentation
bin10111000011101010…
…00111000001110110
31011221200202200002020
423201311013001312
5200322423334424
65404155054010
7615520321425
oct134165070166
934850680066
1012378730614
11528251a588
122495741306
131223769c93
148560472bc
154c6b32079
hex2e1d47076

12378730614 has 16 divisors (see below), whose sum is σ = 24758612928. Its totient is φ = 4126051592.

The previous prime is 12378730613. The next prime is 12378730687. The reversal of 12378730614 is 41603787321.

12378730614 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×123787306142 (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12378730613) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 163309 + ... + 226775.

It is an arithmetic number, because the mean of its divisors is an integer number (1547413308).

Almost surely, 212378730614 is an apocalyptic number.

12378730614 is an abundant number, since it is smaller than the sum of its proper divisors (12379882314).

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

12378730614 is a wasteful number, since it uses less digits than its factorization.

12378730614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95979.

The product of its (nonzero) digits is 169344, while the sum is 42.

The spelling of 12378730614 in words is "twelve billion, three hundred seventy-eight million, seven hundred thirty thousand, six hundred fourteen".

Divisors: 1 2 3 6 32507 63467 65014 97521 126934 190401 195042 380802 2063121769 4126243538 6189365307 12378730614