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12713646402240 = 2635723412298761
BaseRepresentation
bin1011100100000010000001…
…1000001010101011000000
31200000102010212200120011120
42321000200120022223000
53131300021434332430
643012322445112240
72451350003234220
oct271004030125300
950012125616146
1012713646402240
114061910a4a483
121513ba6558680
13712b79122a44
1431d4b5434080
15170aa0061610
hexb902060aac0

12713646402240 has 896 divisors, whose sum is σ = 49533220638720. Its totient is φ = 2699683430400.

The previous prime is 12713646402211. The next prime is 12713646402269. The reversal of 12713646402240 is 4220464631721.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12713646402211) and next prime (12713646402269).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 12713646402192 and 12713646402201.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1451159460 + ... + 1451168220.

It is an arithmetic number, because the mean of its divisors is an integer number (55282612320).

Almost surely, 212713646402240 is an apocalyptic number.

12713646402240 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 12713646402240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24766610319360).

12713646402240 is an abundant number, since it is smaller than the sum of its proper divisors (36819574236480).

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

12713646402240 is a wasteful number, since it uses less digits than its factorization.

12713646402240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9081 (or 9071 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 42.

The spelling of 12713646402240 in words is "twelve trillion, seven hundred thirteen billion, six hundred forty-six million, four hundred two thousand, two hundred forty".