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13470420797 = 31742493441
BaseRepresentation
bin11001000101110011…
…00100111100111101
31021202202222021110222
430202321210330331
5210041411431142
610104353511125
7654544454561
oct144271447475
937682867428
1013470420797
115792779579
12273b2724a5
13136899b4c2
1491b0216a1
1553c8c5bd2
hex322e64f3d

13470420797 has 4 divisors (see below), whose sum is σ = 13512914556. Its totient is φ = 13427927040.

The previous prime is 13470420773. The next prime is 13470420839. The reversal of 13470420797 is 79702407431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 709103641 + 12761317156 = 26629^2 + 112966^2 .

It is a cyclic number.

It is not a de Polignac number, because 13470420797 - 210 = 13470419773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13470420707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21246404 + ... + 21247037.

It is an arithmetic number, because the mean of its divisors is an integer number (3378228639).

Almost surely, 213470420797 is an apocalyptic number.

It is an amenable number.

13470420797 is a deficient number, since it is larger than the sum of its proper divisors (42493759).

13470420797 is an equidigital number, since it uses as much as digits as its factorization.

13470420797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42493758.

The product of its (nonzero) digits is 296352, while the sum is 44.

The spelling of 13470420797 in words is "thirteen billion, four hundred seventy million, four hundred twenty thousand, seven hundred ninety-seven".

Divisors: 1 317 42493441 13470420797