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13930428395520 = 2123257133173367
BaseRepresentation
bin1100101010110110111000…
…1111000111000000000000
31211022201212111200021001200
43022231232033013000000
53311214004132124040
645343314522101200
72635304000436330
oct312555617070000
954281774607050
1013930428395520
1144909527334aa
12168b98834a800
137a08314b0790
143623446cd0c0
1519256820e630
hexcab6e3c7000

13930428395520 has 2496 divisors, whose sum is σ = 62356117684224. Its totient is φ = 2797747568640.

The previous prime is 13930428395509. The next prime is 13930428395539. The reversal of 13930428395520 is 2559382403931.

13930428395520 is a `hidden beast` number, since 1 + 3 + 9 + 3 + 0 + 4 + 2 + 83 + 9 + 552 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (2496).

It is a congruent number.

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 191 ways as a sum of consecutive naturals, for example, 37957570377 + ... + 37957570743.

It is an arithmetic number, because the mean of its divisors is an integer number (24982418944).

Almost surely, 213930428395520 is an apocalyptic number.

13930428395520 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 13930428395520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31178058842112).

13930428395520 is an abundant number, since it is smaller than the sum of its proper divisors (48425689288704).

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

13930428395520 is a wasteful number, since it uses less digits than its factorization.

13930428395520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526 (or 501 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 54.

The spelling of 13930428395520 in words is "thirteen trillion, nine hundred thirty billion, four hundred twenty-eight million, three hundred ninety-five thousand, five hundred twenty".