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25300150013 = 53477361321
BaseRepresentation
bin10111100100000000…
…011010011011111101
32102022012200210020002
4113210000122123331
5403303314300023
615342302004045
71553650504205
oct274400323375
972265623202
1025300150013
11a803303196
124aa0b76625
132502787688
141320199405
159d1210b28
hex5e401a6fd

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".

Divisors: 1 53 477361321 25300150013