Base | Representation |
---|---|
bin | 11000011010000000… |
… | …00001110101100100 |
3 | 1020211011122001000221 |
4 | 30031000001311210 |
5 | 203313332410340 |
6 | 10004111014124 |
7 | 642463526503 |
oct | 141500016544 |
9 | 36734561027 |
10 | 13103013220 |
11 | 5614344850 |
12 | 265820a344 |
13 | 130a82bb7b |
14 | 8c430283a |
15 | 51a4ee44a |
hex | 30d001d64 |
13103013220 has 24 divisors (see below), whose sum is σ = 30017812608. Its totient is φ = 4764732000.
The previous prime is 13103013199. The next prime is 13103013223. The reversal of 13103013220 is 2231030131.
It is a junction number, because it is equal to n+sod(n) for n = 13103013194 and 13103013203.
It is not an unprimeable number, because it can be changed into a prime (13103013223) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29779356 + ... + 29779795.
It is an arithmetic number, because the mean of its divisors is an integer number (1250742192).
Almost surely, 213103013220 is an apocalyptic number.
13103013220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13103013220 is an abundant number, since it is smaller than the sum of its proper divisors (16914799388).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13103013220 is a wasteful number, since it uses less digits than its factorization.
13103013220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 59559171 (or 59559169 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 13103013220 its reverse (2231030131), we get a palindrome (15334043351).
The spelling of 13103013220 in words is "thirteen billion, one hundred three million, thirteen thousand, two hundred twenty".
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