Base | Representation |
---|---|
bin | 11000011001111000… |
… | …01101111010101001 |
3 | 1020211002202021112021 |
4 | 30030330031322221 |
5 | 203313103422441 |
6 | 10004033344441 |
7 | 642452165620 |
oct | 141474157251 |
9 | 36732667467 |
10 | 13102014121 |
11 | 5613822149 |
12 | 2657a08121 |
13 | 130a56c1a1 |
14 | 8c41226b7 |
15 | 51a3a33d1 |
hex | 30cf0dea9 |
13102014121 has 24 divisors (see below), whose sum is σ = 15919300800. Its totient is φ = 10561089792.
The previous prime is 13102014113. The next prime is 13102014131. The reversal of 13102014121 is 12141020131.
It is not a de Polignac number, because 13102014121 - 23 = 13102014113 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13102014095 and 13102014104.
It is not an unprimeable number, because it can be changed into a prime (13102014131) 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, 3941166 + ... + 3944488.
It is an arithmetic number, because the mean of its divisors is an integer number (663304200).
Almost surely, 213102014121 is an apocalyptic number.
It is an amenable number.
13102014121 is a deficient number, since it is larger than the sum of its proper divisors (2817286679).
13102014121 is a wasteful number, since it uses less digits than its factorization.
13102014121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5313 (or 5296 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 16.
Adding to 13102014121 its reverse (12141020131), we get a palindrome (25243034252).
The spelling of 13102014121 in words is "thirteen billion, one hundred two million, fourteen thousand, one hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •