Base | Representation |
---|---|
bin | 11000001110111011… |
… | …01101100101111001 |
3 | 1020120200212011000121 |
4 | 30013131231211321 |
5 | 203121043200241 |
6 | 5550552133241 |
7 | 640255202005 |
oct | 140735554571 |
9 | 36520764017 |
10 | 13010131321 |
11 | 5576975250 |
12 | 2631097221 |
13 | 12c450b275 |
14 | 8b5c45705 |
15 | 5122a3ad1 |
hex | 30776d979 |
13010131321 has 16 divisors (see below), whose sum is σ = 14400092160. Its totient is φ = 11654997120.
The previous prime is 13010131289. The next prime is 13010131349. The reversal of 13010131321 is 12313101031.
It is a cyclic number.
It is not a de Polignac number, because 13010131321 - 25 = 13010131289 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13010131295 and 13010131304.
It is not an unprimeable number, because it can be changed into a prime (13010131021) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 980296 + ... + 993478.
It is an arithmetic number, because the mean of its divisors is an integer number (900005760).
Almost surely, 213010131321 is an apocalyptic number.
13010131321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
13010131321 is a deficient number, since it is larger than the sum of its proper divisors (1389960839).
13010131321 is a wasteful number, since it uses less digits than its factorization.
13010131321 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14496.
The product of its (nonzero) digits is 54, while the sum is 16.
Adding to 13010131321 its reverse (12313101031), we get a palindrome (25323232352).
The spelling of 13010131321 in words is "thirteen billion, ten million, one hundred thirty-one thousand, three hundred twenty-one".
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