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13450791319 = 71921541617
BaseRepresentation
bin11001000011011101…
…01100100110010111
31021201102000222220021
430201232230212113
5210021400310234
610102413050011
7654215561020
oct144156544627
937642028807
1013450791319
115782691669
122734786907
1313648b7924
14918591c47
1553ace99b4
hex321bac997

13450791319 has 4 divisors (see below), whose sum is σ = 15372332944. Its totient is φ = 11529249696.

The previous prime is 13450791311. The next prime is 13450791329. The reversal of 13450791319 is 91319705431.

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

It is a cyclic number.

It is not a de Polignac number, because 13450791319 - 23 = 13450791311 is a prime.

It is a super-2 number, since 2×134507913192 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13450791311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 960770802 + ... + 960770815.

It is an arithmetic number, because the mean of its divisors is an integer number (3843083236).

Almost surely, 213450791319 is an apocalyptic number.

13450791319 is a deficient number, since it is larger than the sum of its proper divisors (1921541625).

13450791319 is an equidigital number, since it uses as much as digits as its factorization.

13450791319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1921541624.

The product of its (nonzero) digits is 102060, while the sum is 43.

The spelling of 13450791319 in words is "thirteen billion, four hundred fifty million, seven hundred ninety-one thousand, three hundred nineteen".

Divisors: 1 7 1921541617 13450791319