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25045435241 = 231088931967
BaseRepresentation
bin10111010100110100…
…110000001101101001
32101122110101221020122
4113110310300031221
5402243112411431
615301122333025
71544435454431
oct272464601551
971573357218
1025045435241
11a69254a212
124a2b7ba175
132491a83c88
1412d84132c1
159b8b99a7b
hex5d4d30369

25045435241 has 4 divisors (see below), whose sum is σ = 26134367232. Its totient is φ = 23956503252.

The previous prime is 25045435237. The next prime is 25045435301. The reversal of 25045435241 is 14253454052.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25045435241 - 22 = 25045435237 is a prime.

It is a super-2 number, since 2×250454352412 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25045435141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 544465961 + ... + 544466006.

It is an arithmetic number, because the mean of its divisors is an integer number (6533591808).

Almost surely, 225045435241 is an apocalyptic number.

It is an amenable number.

25045435241 is a deficient number, since it is larger than the sum of its proper divisors (1088931991).

25045435241 is a wasteful number, since it uses less digits than its factorization.

25045435241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1088931990.

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 25045435241 its reverse (14253454052), we get a palindrome (39298889293).

The spelling of 25045435241 in words is "twenty-five billion, forty-five million, four hundred thirty-five thousand, two hundred forty-one".

Divisors: 1 23 1088931967 25045435241