Base | Representation |
---|---|
bin | 11000100100000010… |
… | …11100001011000111 |
3 | 1021001001011200200012 |
4 | 30102001130023013 |
5 | 204001420104234 |
6 | 10020320540435 |
7 | 644535640220 |
oct | 142201341307 |
9 | 37031150605 |
10 | 13187269319 |
11 | 5657962694 |
12 | 268048171b |
13 | 132211c553 |
14 | 8d1596247 |
15 | 522ae40ce |
hex | 31205c2c7 |
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".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •