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13412645269 = 43311921983
BaseRepresentation
bin11000111110111010…
…01011100110010101
31021121202020222100121
430133131023212111
5204432114122034
610054531311541
7653243414032
oct143735134625
937552228317
1013412645269
1157630a7a01
122723a4b5b1
131359a1cbba
149134a2389
155377b21b4
hex31f74b995

13412645269 has 4 divisors (see below), whose sum is σ = 13724567296. Its totient is φ = 13100723244.

The previous prime is 13412645179. The next prime is 13412645273. The reversal of 13412645269 is 96254621431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13412645269 - 217 = 13412514197 is a prime.

It is a super-2 number, since 2×134126452692 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43), and also a Moran number because the ratio is a prime number: 311921983 = 13412645269 / (1 + 3 + 4 + 1 + 2 + 6 + 4 + 5 + 2 + 6 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13412615269) 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, 155960949 + ... + 155961034.

It is an arithmetic number, because the mean of its divisors is an integer number (3431141824).

Almost surely, 213412645269 is an apocalyptic number.

It is an amenable number.

13412645269 is a deficient number, since it is larger than the sum of its proper divisors (311922027).

13412645269 is an equidigital number, since it uses as much as digits as its factorization.

13412645269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311922026.

The product of its digits is 311040, while the sum is 43.

The spelling of 13412645269 in words is "thirteen billion, four hundred twelve million, six hundred forty-five thousand, two hundred sixty-nine".

Divisors: 1 43 311921983 13412645269