Base | Representation |
---|---|
bin | 11000010000011111… |
… | …01011110000100101 |
3 | 1020121121111200102101 |
4 | 30020033223300211 |
5 | 203132421343023 |
6 | 5552141012101 |
7 | 640504431352 |
oct | 141017536045 |
9 | 36547450371 |
10 | 13023231013 |
11 | 5583302241 |
12 | 2635554031 |
13 | 12c7146970 |
14 | 8b7895629 |
15 | 5134e01ad |
hex | 3083ebc25 |
13023231013 has 16 divisors (see below), whose sum is σ = 14170573312. Its totient is φ = 11897280000.
The previous prime is 13023230993. The next prime is 13023231031. The reversal of 13023231013 is 31013232031.
It is a cyclic number.
It is not a de Polignac number, because 13023231013 - 217 = 13023099941 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13023231083) 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, 519733 + ... + 544213.
It is an arithmetic number, because the mean of its divisors is an integer number (885660832).
Almost surely, 213023231013 is an apocalyptic number.
13023231013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
13023231013 is a deficient number, since it is larger than the sum of its proper divisors (1147342299).
13023231013 is a wasteful number, since it uses less digits than its factorization.
13023231013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24916.
The product of its (nonzero) digits is 324, while the sum is 19.
Adding to 13023231013 its reverse (31013232031), we get a palindrome (44036463044).
It can be divided in two parts, 13023 and 231013, that added together give a square (244036 = 4942).
The spelling of 13023231013 in words is "thirteen billion, twenty-three million, two hundred thirty-one thousand, thirteen".
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