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13451219975 = 522193724527
BaseRepresentation
bin11001000011100000…
…10101010000000111
31021201102211202220102
430201300111100013
5210022003014400
610102430154315
7654222324524
oct144160252007
937642752812
1013451219975
115782954726
12273495299b
131364a07a7b
1491866414b
1553ad819d5
hex321c15407

13451219975 has 12 divisors (see below), whose sum is σ = 16680953184. Its totient is φ = 10760046720.

The previous prime is 13451219963. The next prime is 13451219989. The reversal of 13451219975 is 57991215431.

It is a happy number.

It is not a de Polignac number, because 13451219975 - 26 = 13451219911 is a prime.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 536162 + ... + 560688.

It is an arithmetic number, because the mean of its divisors is an integer number (1390079432).

Almost surely, 213451219975 is an apocalyptic number.

13451219975 is a deficient number, since it is larger than the sum of its proper divisors (3229733209).

13451219975 is a wasteful number, since it uses less digits than its factorization.

13451219975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46474 (or 46469 counting only the distinct ones).

The product of its digits is 340200, while the sum is 47.

The spelling of 13451219975 in words is "thirteen billion, four hundred fifty-one million, two hundred nineteen thousand, nine hundred seventy-five".

Divisors: 1 5 25 21937 24527 109685 122635 548425 613175 538048799 2690243995 13451219975