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12813081712704 = 263671323131213
BaseRepresentation
bin1011101001110100011100…
…1011110001100001000000
31200100220210200202201000000
42322131013023301201000
53134412142404301304
643130125401000000
72461500052360440
oct272350713614100
950326720681000
1012813081712704
11409aaa7654a09
12152b317183000
1371c36494aa60
143242294a0120
1517346e905939
hexba7472f1840

12813081712704 has 784 divisors, whose sum is σ = 48959088337152. Its totient is φ = 3232324694016.

The previous prime is 12813081712693. The next prime is 12813081712751. The reversal of 12813081712704 is 40721718031821.

It is a happy number.

12813081712704 is a `hidden beast` number, since 1 + 2 + 8 + 1 + 308 + 1 + 71 + 270 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 12813081712704.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 97585402 + ... + 97716614.

Almost surely, 212813081712704 is an apocalyptic number.

12813081712704 is a gapful number since it is divisible by the number (14) 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 12813081712704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24479544168576).

12813081712704 is an abundant number, since it is smaller than the sum of its proper divisors (36146006624448).

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

12813081712704 is a wasteful number, since it uses less digits than its factorization.

12813081712704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131286 (or 131261 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 45.

The spelling of 12813081712704 in words is "twelve trillion, eight hundred thirteen billion, eighty-one million, seven hundred twelve thousand, seven hundred four".