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12368455680 = 211357113509
BaseRepresentation
bin10111000010011011…
…11010100000000000
31011220222102122112010
423201031322200000
5200312311040210
65403150532520
7615334065360
oct134115724000
934828378463
1012368455680
1152777418a9
122492207140
1312215b0239
148549309a0
154c5ca2920
hex2e137a800

12368455680 has 384 divisors, whose sum is σ = 45711993600. Its totient is φ = 2796552192.

The previous prime is 12368455679. The next prime is 12368455681. The reversal of 12368455680 is 8655486321.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12368455679) and next prime (12368455681).

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (12368455681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24299266 + ... + 24299774.

It is an arithmetic number, because the mean of its divisors is an integer number (119041650).

Almost surely, 212368455680 is an apocalyptic number.

12368455680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12368455680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22855996800).

12368455680 is an abundant number, since it is smaller than the sum of its proper divisors (33343537920).

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

12368455680 is a wasteful number, since it uses less digits than its factorization.

12368455680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659 (or 639 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 48.

The spelling of 12368455680 in words is "twelve billion, three hundred sixty-eight million, four hundred fifty-five thousand, six hundred eighty".