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12709717898880 = 2735173299118033
BaseRepresentation
bin1011100011110011011000…
…1110000111011010000000
31200000001000002111220200010
42320330312032013122000
53131214000240231010
643010432551424520
72451150441426522
oct270746616073200
950001002456603
1012709717898880
114060185459792
12151328a985140
137126a1275142
1431d2217b1a12
15170920210620
hexb8f36387680

12709717898880 has 256 divisors, whose sum is σ = 42908663952000. Its totient is φ = 3188896038912.

The previous prime is 12709717898879. The next prime is 12709717898893. The reversal of 12709717898880 is 8889871790721.

It is a super-2 number, since 2×127097178988802 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107620344 + ... + 107738376.

Almost surely, 212709717898880 is an apocalyptic number.

12709717898880 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 12709717898880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21454331976000).

12709717898880 is an abundant number, since it is smaller than the sum of its proper divisors (30198946053120).

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

12709717898880 is a wasteful number, since it uses less digits than its factorization.

12709717898880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121371 (or 121359 counting only the distinct ones).

The product of its (nonzero) digits is 227598336, while the sum is 75.

The spelling of 12709717898880 in words is "twelve trillion, seven hundred nine billion, seven hundred seventeen million, eight hundred ninety-eight thousand, eight hundred eighty".