Base | Representation |
---|---|
bin | 10111100100000000… |
… | …011010011011111101 |
3 | 2102022012200210020002 |
4 | 113210000122123331 |
5 | 403303314300023 |
6 | 15342302004045 |
7 | 1553650504205 |
oct | 274400323375 |
9 | 72265623202 |
10 | 25300150013 |
11 | a803303196 |
12 | 4aa0b76625 |
13 | 2502787688 |
14 | 1320199405 |
15 | 9d1210b28 |
hex | 5e401a6fd |
25300150013 has 4 divisors (see below), whose sum is σ = 25777511388. Its totient is φ = 24822788640.
The previous prime is 25300149997. The next prime is 25300150021. The reversal of 25300150013 is 31005100352.
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 20712390724 + 4587759289 = 143918^2 + 67733^2 .
It is a cyclic number.
It is not a de Polignac number, because 25300150013 - 24 = 25300149997 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 (25300152013) 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, 238680608 + ... + 238680713.
It is an arithmetic number, because the mean of its divisors is an integer number (6444377847).
Almost surely, 225300150013 is an apocalyptic number.
It is an amenable number.
25300150013 is a deficient number, since it is larger than the sum of its proper divisors (477361375).
25300150013 is an equidigital number, since it uses as much as digits as its factorization.
25300150013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 477361374.
The product of its (nonzero) digits is 450, while the sum is 20.
Adding to 25300150013 its reverse (31005100352), we get a palindrome (56305250365).
The spelling of 25300150013 in words is "twenty-five billion, three hundred million, one hundred fifty thousand, thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •