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12806703328 = 25400209479
BaseRepresentation
bin10111110110101011…
…01100100011100000
31020001112001221021111
423323111230203200
5202212004001303
65514444033104
7632235116326
oct137325544340
936045057244
1012806703328
115482060841
122594b32794
131291323883
14896c0dd16
154ee4bdb6d
hex2fb56c8e0

12806703328 has 12 divisors (see below), whose sum is σ = 25213197240. Its totient is φ = 6403351648.

The previous prime is 12806703281. The next prime is 12806703341. The reversal of 12806703328 is 82330760821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200104708 + ... + 200104771.

It is an arithmetic number, because the mean of its divisors is an integer number (2101099770).

Almost surely, 212806703328 is an apocalyptic number.

It is an amenable number.

12806703328 is a deficient number, since it is larger than the sum of its proper divisors (12406493912).

12806703328 is an equidigital number, since it uses as much as digits as its factorization.

12806703328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400209489 (or 400209481 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 12806703328 in words is "twelve billion, eight hundred six million, seven hundred three thousand, three hundred twenty-eight".

Divisors: 1 2 4 8 16 32 400209479 800418958 1600837916 3201675832 6403351664 12806703328