Base | Representation |
---|---|
bin | 11000011011001101… |
… | …00000111100101001 |
3 | 1020211212121121101221 |
4 | 30031212200330221 |
5 | 203323423231441 |
6 | 10005111142041 |
7 | 642645346300 |
oct | 141546407451 |
9 | 36755547357 |
10 | 13113102121 |
11 | 561a005789 |
12 | 265b674921 |
13 | 130c952032 |
14 | 8c57ab437 |
15 | 51b3438d1 |
hex | 30d9a0f29 |
13113102121 has 12 divisors (see below), whose sum is σ = 15258708480. Its totient is φ = 11236344840.
The previous prime is 13113102097. The next prime is 13113102151. The reversal of 13113102121 is 12120131131.
It is a happy number.
It is not a de Polignac number, because 13113102121 - 25 = 13113102089 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13113102095 and 13113102104.
It is not an unprimeable number, because it can be changed into a prime (13113102151) 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, 126700 + ... + 205618.
It is an arithmetic number, because the mean of its divisors is an integer number (1271559040).
Almost surely, 213113102121 is an apocalyptic number.
It is an amenable number.
13113102121 is a deficient number, since it is larger than the sum of its proper divisors (2145606359).
13113102121 is an equidigital number, since it uses as much as digits as its factorization.
13113102121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 82324 (or 82317 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 16.
Adding to 13113102121 its reverse (12120131131), we get a palindrome (25233233252).
The spelling of 13113102121 in words is "thirteen billion, one hundred thirteen million, one hundred two thousand, one hundred twenty-one".
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