Base | Representation |
---|---|
bin | 11000001111000010… |
… | …01001100101010001 |
3 | 1020120202112221001221 |
4 | 30013201021211101 |
5 | 203121311014101 |
6 | 5551023325041 |
7 | 640265644033 |
oct | 140741114521 |
9 | 36522487057 |
10 | 13011032401 |
11 | 5577430244 |
12 | 2631450781 |
13 | 12c4765453 |
14 | 8b5ddbc53 |
15 | 5123d0aa1 |
hex | 307849951 |
13011032401 has 6 divisors (see below), whose sum is σ = 13731865602. Its totient is φ = 12326240880.
The previous prime is 13011032339. The next prime is 13011032429. The reversal of 13011032401 is 10423011031.
It can be written as a sum of positive squares in only one way, i.e., 8386896400 + 4624136001 = 91580^2 + 68001^2 .
It is not a de Polignac number, because 13011032401 - 221 = 13008935249 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13011002401) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18020460 + ... + 18021181.
It is an arithmetic number, because the mean of its divisors is an integer number (2288644267).
Almost surely, 213011032401 is an apocalyptic number.
It is an amenable number.
13011032401 is a deficient number, since it is larger than the sum of its proper divisors (720833201).
13011032401 is an equidigital number, since it uses as much as digits as its factorization.
13011032401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36041679 (or 36041660 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 13011032401 its reverse (10423011031), we get a palindrome (23434043432).
The spelling of 13011032401 in words is "thirteen billion, eleven million, thirty-two thousand, four hundred one".
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