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25132016305601 = 47222814987769
BaseRepresentation
bin1011011011011100000001…
…11001111000010111000001
310021222121010102112210222222
411231232000321320113001
511243230332133234401
6125241253334140425
75202504535614302
oct555560071702701
9107877112483888
1025132016305601
11800a479017997
12299a9054b1715
131103c28bb585a
1462c578bb07a9
152d8b1c44ec1b
hex16db80e785c1

25132016305601 has 12 divisors (see below), whose sum is σ = 25689379702980. Its totient is φ = 24586504068480.

The previous prime is 25132016305579. The next prime is 25132016305619. The reversal of 25132016305601 is 10650361023152.

It can be written as a sum of positive squares in 2 ways, for example, as 18771431425201 + 6360584880400 = 4332601^2 + 2522020^2 .

It is not a de Polignac number, because 25132016305601 - 26 = 25132016305537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25132016505601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2544845 + ... + 7532613.

It is an arithmetic number, because the mean of its divisors is an integer number (2140781641915).

Almost surely, 225132016305601 is an apocalyptic number.

It is an amenable number.

25132016305601 is a deficient number, since it is larger than the sum of its proper divisors (557363397379).

25132016305601 is an equidigital number, since it uses as much as digits as its factorization.

25132016305601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4990144 (or 4990097 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 35.

Adding to 25132016305601 its reverse (10650361023152), we get a palindrome (35782377328753).

The spelling of 25132016305601 in words is "twenty-five trillion, one hundred thirty-two billion, sixteen million, three hundred five thousand, six hundred one".

Divisors: 1 47 2209 2281 107207 4987769 5038729 234425143 11017981721 11377101089 534723751183 25132016305601