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25111013 = 292393623
BaseRepresentation
bin101111111001…
…0100111100101
31202020202211112
41133302213211
522412023023
62254114405
7423303644
oct137624745
952222745
1025111013
11131a1304
1284aba05
1352828b5
14349935b
152310478
hex17f29e5

25111013 has 8 divisors (see below), whose sum is σ = 26092800. Its totient is φ = 24137008.

The previous prime is 25111007. The next prime is 25111033. The reversal of 25111013 is 31011152.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-25111013 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25111033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5120 + ... + 8742.

It is an arithmetic number, because the mean of its divisors is an integer number (3261600).

Almost surely, 225111013 is an apocalyptic number.

It is an amenable number.

25111013 is a deficient number, since it is larger than the sum of its proper divisors (981787).

25111013 is a wasteful number, since it uses less digits than its factorization.

25111013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3891.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 25111013 is about 5011.0890034004. The cubic root of 25111013 is about 292.8339400784.

Adding to 25111013 its reverse (31011152), we get a palindrome (56122165).

The spelling of 25111013 in words is "twenty-five million, one hundred eleven thousand, thirteen".

Divisors: 1 29 239 3623 6931 105067 865897 25111013