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13468349465 = 53772801889
BaseRepresentation
bin11001000101100011…
…01011010000011001
31021202122002001010222
430202301223100121
5210040344140330
610104241245425
7654521036654
oct144261532031
937678061128
1013468349465
11579159432a
12273a633875
13136842476c
1491aa4289b
1553c6170e5
hex322c6b419

13468349465 has 8 divisors (see below), whose sum is σ = 16598830920. Its totient is φ = 10483471872.

The previous prime is 13468349449. The next prime is 13468349491. The reversal of 13468349465 is 56494386431.

It can be written as a sum of positive squares in 4 ways, for example, as 3437125129 + 10031224336 = 58627^2 + 100156^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 13468349465 - 24 = 13468349449 is a prime.

It is a super-2 number, since 2×134683494652 (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36400760 + ... + 36401129.

It is an arithmetic number, because the mean of its divisors is an integer number (2074853865).

Almost surely, 213468349465 is an apocalyptic number.

It is an amenable number.

13468349465 is a deficient number, since it is larger than the sum of its proper divisors (3130481455).

13468349465 is an equidigital number, since it uses as much as digits as its factorization.

13468349465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72801931.

The product of its digits is 7464960, while the sum is 53.

The spelling of 13468349465 in words is "thirteen billion, four hundred sixty-eight million, three hundred forty-nine thousand, four hundred sixty-five".

Divisors: 1 5 37 185 72801889 364009445 2693669893 13468349465