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25052113105 = 56078254403
BaseRepresentation
bin10111010101001110…
…001110100011010001
32101122220222012112221
4113111032032203101
5402301320104410
615301521421041
71544546306425
oct272516164321
971586865487
1025052113105
11a6962a0408
124a31a9a781
132493281686
1412d9270b85
159b95684da
hex5d538e8d1

25052113105 has 8 divisors (see below), whose sum is σ = 30112065792. Its totient is φ = 20008670448.

The previous prime is 25052113039. The next prime is 25052113171. The reversal of 25052113105 is 50131125052.

It is an interprime number because it is at equal distance from previous prime (25052113039) and next prime (25052113171).

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

It is a cyclic number.

It is not a de Polignac number, because 25052113105 - 211 = 25052111057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25052113105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4124167 + ... + 4130236.

It is an arithmetic number, because the mean of its divisors is an integer number (3764008224).

Almost surely, 225052113105 is an apocalyptic number.

It is an amenable number.

25052113105 is a deficient number, since it is larger than the sum of its proper divisors (5059952687).

25052113105 is an equidigital number, since it uses as much as digits as its factorization.

25052113105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8255015.

The product of its (nonzero) digits is 1500, while the sum is 25.

Adding to 25052113105 its reverse (50131125052), we get a palindrome (75183238157).

The spelling of 25052113105 in words is "twenty-five billion, fifty-two million, one hundred thirteen thousand, one hundred five".

Divisors: 1 5 607 3035 8254403 41272015 5010422621 25052113105