Base | Representation |
---|---|
bin | 110010000111… |
… | …111010011110 |
3 | 220201120011101 |
4 | 302013322132 |
5 | 11330431424 |
6 | 1145343314 |
7 | 216453625 |
oct | 62077236 |
9 | 26646141 |
10 | 13139614 |
11 | 7464a94 |
12 | 4497b3a |
13 | 2950927 |
14 | 1a606bc |
15 | 1248344 |
hex | c87e9e |
13139614 has 4 divisors (see below), whose sum is σ = 19709424. Its totient is φ = 6569806.
The previous prime is 13139611. The next prime is 13139617. The reversal of 13139614 is 41693131.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41693131 = 1879 ⋅22189.
It is an interprime number because it is at equal distance from previous prime (13139611) and next prime (13139617).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13139611) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3284902 + ... + 3284905.
It is an arithmetic number, because the mean of its divisors is an integer number (4927356).
Almost surely, 213139614 is an apocalyptic number.
13139614 is a deficient number, since it is larger than the sum of its proper divisors (6569810).
13139614 is an equidigital number, since it uses as much as digits as its factorization.
13139614 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6569809.
The product of its digits is 1944, while the sum is 28.
The square root of 13139614 is about 3624.8605490419. The cubic root of 13139614 is about 235.9722149612.
The spelling of 13139614 in words is "thirteen million, one hundred thirty-nine thousand, six hundred fourteen".
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