Base | Representation |
---|---|
bin | 110010000111… |
… | …001111001010 |
3 | 220201102100201 |
4 | 302013033022 |
5 | 11330334332 |
6 | 1145322414 |
7 | 216442555 |
oct | 62071712 |
9 | 26642321 |
10 | 13136842 |
11 | 74629a4 |
12 | 449640a |
13 | 294c5a4 |
14 | 1a5d69c |
15 | 12475e7 |
hex | c873ca |
13136842 has 8 divisors (see below), whose sum is σ = 19750500. Its totient is φ = 6553344.
The previous prime is 13136833. The next prime is 13136843. The reversal of 13136842 is 24863131.
13136842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 12952801 + 184041 = 3599^2 + 429^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 13136842.
It is not an unprimeable number, because it can be changed into a prime (13136843) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6417 + ... + 8212.
Almost surely, 213136842 is an apocalyptic number.
13136842 is a deficient number, since it is larger than the sum of its proper divisors (6613658).
13136842 is a wasteful number, since it uses less digits than its factorization.
13136842 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15080.
The product of its digits is 3456, while the sum is 28.
The square root of 13136842 is about 3624.4781693369. The cubic root of 13136842 is about 235.9556198267.
Adding to 13136842 its reverse (24863131), we get a palindrome (37999973).
The spelling of 13136842 in words is "thirteen million, one hundred thirty-six thousand, eight hundred forty-two".
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