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13187269319 = 714401130817
BaseRepresentation
bin11000100100000010…
…11100001011000111
31021001001011200200012
430102001130023013
5204001420104234
610020320540435
7644535640220
oct142201341307
937031150605
1013187269319
115657962694
12268048171b
13132211c553
148d1596247
15522ae40ce
hex31205c2c7

13187269319 has 8 divisors (see below), whose sum is σ = 15072326688. Its totient is φ = 11302502400.

The previous prime is 13187269313. The next prime is 13187269321. The reversal of 13187269319 is 91396278131.

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

It is a de Polignac number, because none of the positive numbers 2k-13187269319 is a prime.

It is a super-2 number, since 2×131872693192 (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 (13187269313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35399 + ... + 166215.

It is an arithmetic number, because the mean of its divisors is an integer number (1884040836).

Almost surely, 213187269319 is an apocalyptic number.

13187269319 is a deficient number, since it is larger than the sum of its proper divisors (1885057369).

13187269319 is a wasteful number, since it uses less digits than its factorization.

13187269319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145225.

The product of its digits is 489888, while the sum is 50.

The spelling of 13187269319 in words is "thirteen billion, one hundred eighty-seven million, two hundred sixty-nine thousand, three hundred nineteen".

Divisors: 1 7 14401 100807 130817 915719 1883895617 13187269319