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12715727863740 = 223511103866921577
BaseRepresentation
bin1011100100001001110001…
…1100010011111110111100
31200000121111221022202120020
42321002130130103332330
53131313302313114430
643013305202052140
72451452406330126
oct271023434237674
950017457282506
1012715727863740
1140627899762a0
12151448764a050
1371311b41c775
1431d631a56216
15170b72b65b10
hexb909c713fbc

12715727863740 has 192 divisors, whose sum is σ = 39224205296640. Its totient is φ = 3052178933760.

The previous prime is 12715727863739. The next prime is 12715727863763. The reversal of 12715727863740 is 4736872751721.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 589307832 + ... + 589329408.

It is an arithmetic number, because the mean of its divisors is an integer number (204292735920).

Almost surely, 212715727863740 is an apocalyptic number.

12715727863740 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 12715727863740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19612102648320).

12715727863740 is an abundant number, since it is smaller than the sum of its proper divisors (26508477432900).

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

12715727863740 is a wasteful number, since it uses less digits than its factorization.

12715727863740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30372 (or 30370 counting only the distinct ones).

The product of its (nonzero) digits is 27659520, while the sum is 60.

The spelling of 12715727863740 in words is "twelve trillion, seven hundred fifteen billion, seven hundred twenty-seven million, eight hundred sixty-three thousand, seven hundred forty".