Base | Representation |
---|---|
bin | 11000101011100011… |
… | …11001001000100101 |
3 | 1021012102210002221111 |
4 | 30111301321020211 |
5 | 204114034140001 |
6 | 10030451545021 |
7 | 646232466352 |
oct | 142561711045 |
9 | 37172702844 |
10 | 13250302501 |
11 | 568a4a5427 |
12 | 26995bb171 |
13 | 13321bbca7 |
14 | 8d9ac3629 |
15 | 5283e5851 |
hex | 315c79225 |
13250302501 has 4 divisors (see below), whose sum is σ = 13261085100. Its totient is φ = 13239519904.
The previous prime is 13250302459. The next prime is 13250302523. The reversal of 13250302501 is 10520305231.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 9384571876 + 3865730625 = 96874^2 + 62175^2 .
It is a cyclic number.
It is not a de Polignac number, because 13250302501 - 215 = 13250269733 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13250302561) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5389456 + ... + 5391913.
It is an arithmetic number, because the mean of its divisors is an integer number (3315271275).
Almost surely, 213250302501 is an apocalyptic number.
It is an amenable number.
13250302501 is a deficient number, since it is larger than the sum of its proper divisors (10782599).
13250302501 is a wasteful number, since it uses less digits than its factorization.
13250302501 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10782598.
The product of its (nonzero) digits is 900, while the sum is 22.
Adding to 13250302501 its reverse (10520305231), we get a palindrome (23770607732).
The spelling of 13250302501 in words is "thirteen billion, two hundred fifty million, three hundred two thousand, five hundred one".
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