Base | Representation |
---|---|
bin | 11101110110101100101110… |
… | …111001011000110111011101 |
3 | 122012220101000022021012011012 |
4 | 131312230232321120313131 |
5 | 114202223432343031023 |
6 | 1143131225045105005 |
7 | 36441162466116512 |
oct | 3566545671306735 |
9 | 565811008235135 |
10 | 131302232002013 |
11 | 38922a66a17586 |
12 | 128873039b8165 |
13 | 5835993c07277 |
14 | 245d0c1d55309 |
15 | 102a71440c978 |
hex | 776b2ee58ddd |
131302232002013 has 4 divisors (see below), whose sum is σ = 131393477473920. Its totient is φ = 131210986530108.
The previous prime is 131302232002009. The next prime is 131302232002093. The reversal of 131302232002013 is 310200232203131.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 131302232002013 - 22 = 131302232002009 is a prime.
It is a super-2 number, since 2×1313022320020132 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 131302232002013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131302232002003) 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, 45622733795 + ... + 45622736672.
It is an arithmetic number, because the mean of its divisors is an integer number (32848369368480).
Almost surely, 2131302232002013 is an apocalyptic number.
It is an amenable number.
131302232002013 is a deficient number, since it is larger than the sum of its proper divisors (91245471907).
131302232002013 is an equidigital number, since it uses as much as digits as its factorization.
131302232002013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 91245471906.
The product of its (nonzero) digits is 1296, while the sum is 23.
Adding to 131302232002013 its reverse (310200232203131), we get a palindrome (441502464205144).
The spelling of 131302232002013 in words is "one hundred thirty-one trillion, three hundred two billion, two hundred thirty-two million, two thousand, thirteen".
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