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13097307021 = 317325235659
BaseRepresentation
bin11000011001010100…
…10000101110001101
31020210202220010121020
430030222100232031
5203310402311041
610003344424353
7642364162401
oct141452205615
936722803536
1013097307021
1156110a7687
1226563180b9
1313095b1816
148c3659101
15519c73866
hex30ca90b8d

13097307021 has 8 divisors (see below), whose sum is σ = 17564019360. Its totient is φ = 8681066352.

The previous prime is 13097307019. The next prime is 13097307037. The reversal of 13097307021 is 12070379031.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13097307021 - 21 = 13097307019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13097307001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12617311 + ... + 12618348.

It is an arithmetic number, because the mean of its divisors is an integer number (2195502420).

Almost surely, 213097307021 is an apocalyptic number.

It is an amenable number.

13097307021 is a deficient number, since it is larger than the sum of its proper divisors (4466712339).

13097307021 is a wasteful number, since it uses less digits than its factorization.

13097307021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25235835.

The product of its (nonzero) digits is 7938, while the sum is 33.

The spelling of 13097307021 in words is "thirteen billion, ninety-seven million, three hundred seven thousand, twenty-one".

Divisors: 1 3 173 519 25235659 75706977 4365769007 13097307021