Base | Representation |
---|---|
bin | 11000011001110011… |
… | …00010010000101100 |
3 | 1020211001102120001111 |
4 | 30030321202100230 |
5 | 203312413423040 |
6 | 10004010321404 |
7 | 642443210020 |
oct | 141471422054 |
9 | 36731376044 |
10 | 13101311020 |
11 | 5613391976 |
12 | 2657729264 |
13 | 130a384155 |
14 | 8c3dbc380 |
15 | 51a2b4dea |
hex | 30ce6242c |
13101311020 has 96 divisors (see below), whose sum is σ = 31920537600. Its totient is φ = 4423970304.
The previous prime is 13101311017. The next prime is 13101311029. The reversal of 13101311020 is 2011310131.
It is not an unprimeable number, because it can be changed into a prime (13101311029) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5296504 + ... + 5298976.
It is an arithmetic number, because the mean of its divisors is an integer number (332505600).
Almost surely, 213101311020 is an apocalyptic number.
13101311020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13101311020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15960268800).
13101311020 is an abundant number, since it is smaller than the sum of its proper divisors (18819226580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13101311020 is a wasteful number, since it uses less digits than its factorization.
13101311020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3047 (or 3045 counting only the distinct ones).
The product of its (nonzero) digits is 18, while the sum is 13.
Adding to 13101311020 its reverse (2011310131), we get a palindrome (15112621151).
The spelling of 13101311020 in words is "thirteen billion, one hundred one million, three hundred eleven thousand, twenty".
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