Base | Representation |
---|---|
bin | 11000011011000110… |
… | …01100010100100010 |
3 | 1020211210222100201200 |
4 | 30031203030110202 |
5 | 203323212344302 |
6 | 10005040342030 |
7 | 642635061210 |
oct | 141543142442 |
9 | 36753870650 |
10 | 13112231202 |
11 | 5619570414 |
12 | 265b314916 |
13 | 130c7087b5 |
14 | 8c5621cb0 |
15 | 51b22081c |
hex | 30d8cc522 |
13112231202 has 24 divisors (see below), whose sum is σ = 32468382336. Its totient is φ = 3746351736.
The previous prime is 13112231201. The next prime is 13112231203. The reversal of 13112231202 is 20213221131.
It is an interprime number because it is at equal distance from previous prime (13112231201) and next prime (13112231203).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (13112231201) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52032538 + ... + 52032789.
It is an arithmetic number, because the mean of its divisors is an integer number (1352849264).
Almost surely, 213112231202 is an apocalyptic number.
13112231202 is an abundant number, since it is smaller than the sum of its proper divisors (19356151134).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13112231202 is a wasteful number, since it uses less digits than its factorization.
13112231202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 104065342 (or 104065339 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 13112231202 its reverse (20213221131), we get a palindrome (33325452333).
The spelling of 13112231202 in words is "thirteen billion, one hundred twelve million, two hundred thirty-one thousand, two hundred two".
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