Base | Representation |
---|---|
bin | 11000011101001111… |
… | …10010011010010101 |
3 | 1020220001210221010200 |
4 | 30032213302122111 |
5 | 203342313304023 |
6 | 10010522011113 |
7 | 643243653261 |
oct | 141647623225 |
9 | 36801727120 |
10 | 13130213013 |
11 | 5628732415 |
12 | 2665346a99 |
13 | 1313363418 |
14 | 8c7b830a1 |
15 | 51cac3743 |
hex | 30e9f2695 |
13130213013 has 24 divisors (see below), whose sum is σ = 19424282592. Its totient is φ = 8542261728.
The previous prime is 13130212999. The next prime is 13130213039. The reversal of 13130213013 is 31031203131.
It is a happy number.
It is not a de Polignac number, because 13130213013 - 25 = 13130212981 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13130213053) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 435495 + ... + 464667.
It is an arithmetic number, because the mean of its divisors is an integer number (809345108).
Almost surely, 213130213013 is an apocalyptic number.
It is an amenable number.
13130213013 is a deficient number, since it is larger than the sum of its proper divisors (6294069579).
13130213013 is a wasteful number, since it uses less digits than its factorization.
13130213013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30385 (or 30382 counting only the distinct ones).
The product of its (nonzero) digits is 162, while the sum is 18.
Adding to 13130213013 its reverse (31031203131), we get a palindrome (44161416144).
The spelling of 13130213013 in words is "thirteen billion, one hundred thirty million, two hundred thirteen thousand, thirteen".
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