Base | Representation |
---|---|
bin | 111100101001001100… |
… | …1000001111010001101 |
3 | 110110011001012010001102 |
4 | 1321102121001322031 |
5 | 4113203203441023 |
6 | 135454420552445 |
7 | 12260152613255 |
oct | 1712231017215 |
9 | 413131163042 |
10 | 130231312013 |
11 | 5025a1a9290 |
12 | 212a6252725 |
13 | c385aa304a |
14 | 64360bc965 |
15 | 35c3305628 |
hex | 1e52641e8d |
130231312013 has 16 divisors (see below), whose sum is σ = 150096533760. Its totient is φ = 111877483200.
The previous prime is 130231311979. The next prime is 130231312019. The reversal of 130231312013 is 310213132031.
It is a cyclic number.
It is not a de Polignac number, because 130231312013 - 26 = 130231311949 is a prime.
It is a super-2 number, since 2×1302313120132 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130231312019) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4328078 + ... + 4358063.
It is an arithmetic number, because the mean of its divisors is an integer number (9381033360).
Almost surely, 2130231312013 is an apocalyptic number.
It is an amenable number.
130231312013 is a deficient number, since it is larger than the sum of its proper divisors (19865221747).
130231312013 is a wasteful number, since it uses less digits than its factorization.
130231312013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8686228.
The product of its (nonzero) digits is 324, while the sum is 20.
Adding to 130231312013 its reverse (310213132031), we get a palindrome (440444444044).
It can be divided in two parts, 130231 and 312013, that added together give a palindrome (442244).
The spelling of 130231312013 in words is "one hundred thirty billion, two hundred thirty-one million, three hundred twelve thousand, thirteen".
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