Base | Representation |
---|---|
bin | 11000011110010111… |
… | …10010101011011100 |
3 | 1020220201120110000120 |
4 | 30033023302223130 |
5 | 203402222320132 |
6 | 10011500154540 |
7 | 643420123155 |
oct | 141713625334 |
9 | 36821513016 |
10 | 13139651292 |
11 | 5632a99549 |
12 | 2668538a50 |
13 | 13152b93c1 |
14 | 8c911c92c |
15 | 51d83a02c |
hex | 30f2f2adc |
13139651292 has 12 divisors (see below), whose sum is σ = 30659186376. Its totient is φ = 4379883760.
The previous prime is 13139651207. The next prime is 13139651293. The reversal of 13139651292 is 29215693131.
It is a tau number, because it is divible by the number of its divisors (12).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13139651293) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 547485459 + ... + 547485482.
It is an arithmetic number, because the mean of its divisors is an integer number (2554932198).
Almost surely, 213139651292 is an apocalyptic number.
13139651292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
13139651292 is an abundant number, since it is smaller than the sum of its proper divisors (17519535084).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13139651292 is a wasteful number, since it uses less digits than its factorization.
13139651292 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1094970948 (or 1094970946 counting only the distinct ones).
The product of its digits is 87480, while the sum is 42.
The spelling of 13139651292 in words is "thirteen billion, one hundred thirty-nine million, six hundred fifty-one thousand, two hundred ninety-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •