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14921031695616 = 28321925711231181
BaseRepresentation
bin1101100100100001001011…
…0010110011110100000000
31221211102210100112212120100
43121020102302303310000
53423431233103224431
651422343300442400
73100003034525664
oct331102262636400
957742710485510
1014921031695616
114832a79446702
12180b9673a9400
1384307ca71857
14398278b788a4
151ad1e4a384e6
hexd9212cb3d00

14921031695616 has 432 divisors, whose sum is σ = 45540494475840. Its totient is φ = 4685420298240.

The previous prime is 14921031695611. The next prime is 14921031695627. The reversal of 14921031695616 is 61659613012941.

14921031695616 is a `hidden beast` number, since 1 + 4 + 9 + 2 + 1 + 0 + 3 + 16 + 9 + 5 + 616 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14921031695611) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12634234546 + ... + 12634235726.

Almost surely, 214921031695616 is an apocalyptic number.

14921031695616 is a gapful number since it is divisible by the number (16) 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 14921031695616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22770247237920).

14921031695616 is an abundant number, since it is smaller than the sum of its proper divisors (30619462780224).

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

14921031695616 is a wasteful number, since it uses less digits than its factorization.

14921031695616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2602 (or 2585 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 54.

The spelling of 14921031695616 in words is "fourteen trillion, nine hundred twenty-one billion, thirty-one million, six hundred ninety-five thousand, six hundred sixteen".