Base | Representation |
---|---|
bin | 100111000110101… |
… | …1011101010001101 |
3 | 10101110000211012102 |
4 | 1032031123222031 |
5 | 10141402102023 |
6 | 334111444445 |
7 | 44342016515 |
oct | 11615335215 |
9 | 3343024172 |
10 | 1312144013 |
11 | 613742244 |
12 | 307526725 |
13 | 17baca69b |
14 | c63a2845 |
15 | 7a2dd628 |
hex | 4e35ba8d |
1312144013 has 8 divisors (see below), whose sum is σ = 1333580640. Its totient is φ = 1290762000.
The previous prime is 1312144007. The next prime is 1312144051. The reversal of 1312144013 is 3104412131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1312144013 - 210 = 1312142989 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1312144003) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36263 + ... + 62763.
It is an arithmetic number, because the mean of its divisors is an integer number (166697580).
Almost surely, 21312144013 is an apocalyptic number.
It is an amenable number.
1312144013 is a deficient number, since it is larger than the sum of its proper divisors (21436627).
1312144013 is an equidigital number, since it uses as much as digits as its factorization.
1312144013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27307.
The product of its (nonzero) digits is 288, while the sum is 20.
The square root of 1312144013 is about 36223.5284449210. The cubic root of 1312144013 is about 1094.7807886003.
Adding to 1312144013 its reverse (3104412131), we get a palindrome (4416556144).
The spelling of 1312144013 in words is "one billion, three hundred twelve million, one hundred forty-four thousand, thirteen".
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