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25043055133 = 43582396631
BaseRepresentation
bin10111010100101011…
…101011001000011101
32101122021221000100111
4113110223223020131
5402242010231013
615300555330021
71544406312355
oct272453531035
971567830314
1025043055133
11a691173a88
124a2aa50911
13249142c825
1412d7d93b65
159b887973d
hex5d4aeb21d

25043055133 has 4 divisors (see below), whose sum is σ = 25625451808. Its totient is φ = 24460658460.

The previous prime is 25043055119. The next prime is 25043055137. The reversal of 25043055133 is 33155034052.

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 25043055133 - 229 = 24506184221 is a prime.

It is a super-2 number, since 2×250430551332 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25043055095 and 25043055104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25043055137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291198273 + ... + 291198358.

It is an arithmetic number, because the mean of its divisors is an integer number (6406362952).

Almost surely, 225043055133 is an apocalyptic number.

It is an amenable number.

25043055133 is a deficient number, since it is larger than the sum of its proper divisors (582396675).

25043055133 is an equidigital number, since it uses as much as digits as its factorization.

25043055133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582396674.

The product of its (nonzero) digits is 27000, while the sum is 31.

Adding to 25043055133 its reverse (33155034052), we get a palindrome (58198089185).

The spelling of 25043055133 in words is "twenty-five billion, forty-three million, fifty-five thousand, one hundred thirty-three".

Divisors: 1 43 582396631 25043055133