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12800329713 = 323174486621
BaseRepresentation
bin10111110101111010…
…11000011111110001
31020001002002010022200
423322331120133301
5202203341022323
65514055253413
7632130002343
oct137275303761
936032063280
1012800329713
1154794a8196
12259297a269
13128cc017c2
14896031293
154edb60443
hex2faf587f1

12800329713 has 12 divisors (see below), whose sum is σ = 18547695348. Its totient is φ = 8506631520.

The previous prime is 12800329693. The next prime is 12800329723. The reversal of 12800329713 is 31792300821.

It can be written as a sum of positive squares in 2 ways, for example, as 1195223184 + 11605106529 = 34572^2 + 107727^2 .

It is not a de Polignac number, because 12800329713 - 26 = 12800329649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12800329723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2240458 + ... + 2246163.

It is an arithmetic number, because the mean of its divisors is an integer number (1545641279).

Almost surely, 212800329713 is an apocalyptic number.

It is an amenable number.

12800329713 is a deficient number, since it is larger than the sum of its proper divisors (5747365635).

12800329713 is a wasteful number, since it uses less digits than its factorization.

12800329713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4486944 (or 4486941 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The spelling of 12800329713 in words is "twelve billion, eight hundred million, three hundred twenty-nine thousand, seven hundred thirteen".

Divisors: 1 3 9 317 951 2853 4486621 13459863 40379589 1422258857 4266776571 12800329713