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13494647675790 = 2395416179347
BaseRepresentation
bin1100010001011111011110…
…1011100101101110001110
31202210002001012101000000000
43010113313223211232032
53232044014301111130
644411204444545130
72561645643436221
oct304276753455616
952702035330000
1013494647675790
114333058898856
12161b42a2521a6
1376b702c89538
143492044735b8
1518606046b260
hexc45f7ae5b8e

13494647675790 has 640 divisors, whose sum is σ = 38526354155520. Its totient is φ = 3399710745600.

The previous prime is 13494647675783. The next prime is 13494647675791. The reversal of 13494647675790 is 9757674649431.

It is a happy number.

13494647675790 is a `hidden beast` number, since 1 + 3 + 4 + 9 + 4 + 6 + 47 + 6 + 7 + 579 + 0 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13494647675791) by changing a digit.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 38889474397 + ... + 38889474743.

It is an arithmetic number, because the mean of its divisors is an integer number (60197428368).

Almost surely, 213494647675790 is an apocalyptic number.

13494647675790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13494647675790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19263177077760).

13494647675790 is an abundant number, since it is smaller than the sum of its proper divisors (25031706479730).

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

13494647675790 is an frugal number, since it uses more digits than its factorization.

13494647675790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562 (or 538 counting only the distinct ones).

The product of its (nonzero) digits is 960180480, while the sum is 72.

The spelling of 13494647675790 in words is "thirteen trillion, four hundred ninety-four billion, six hundred forty-seven million, six hundred seventy-five thousand, seven hundred ninety".