Base | Representation |
---|---|
bin | 111101000111011000… |
… | …0100011110001110101 |
3 | 110112202121221201211120 |
4 | 1322032300203301311 |
5 | 4122241443104023 |
6 | 140143120454153 |
7 | 12324231360666 |
oct | 1721660436165 |
9 | 415677851746 |
10 | 131244113013 |
11 | 50729975702 |
12 | 2152947a359 |
13 | c4b7872990 |
14 | 64d07dd36d |
15 | 36321b48e3 |
hex | 1e8ec23c75 |
131244113013 has 8 divisors (see below), whose sum is σ = 188453085408. Its totient is φ = 80765607984.
The previous prime is 131244112999. The next prime is 131244113017. The reversal of 131244113013 is 310311442131.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 131244113013 - 26 = 131244112949 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131244113017) 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, 1682616795 + ... + 1682616872.
It is an arithmetic number, because the mean of its divisors is an integer number (23556635676).
Almost surely, 2131244113013 is an apocalyptic number.
131244113013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
131244113013 is a deficient number, since it is larger than the sum of its proper divisors (57208972395).
131244113013 is a wasteful number, since it uses less digits than its factorization.
131244113013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3365233683.
The product of its (nonzero) digits is 864, while the sum is 24.
Adding to 131244113013 its reverse (310311442131), we get a palindrome (441555555144).
The spelling of 131244113013 in words is "one hundred thirty-one billion, two hundred forty-four million, one hundred thirteen thousand, thirteen".
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