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25050511423 = 7373033561
BaseRepresentation
bin10111010101001000…
…000111100000111111
32101122210221211110101
4113111020013200333
5402300412331143
615301423221531
71544526556000
oct272510074077
971583854411
1025050511423
11a6953a7003
124a314478a7
132492b40632
1412d8d751a7
159b934db4d
hex5d520783f

25050511423 has 8 divisors (see below), whose sum is σ = 29213424800. Its totient is φ = 21471866640.

The previous prime is 25050511417. The next prime is 25050511429. The reversal of 25050511423 is 32411505052.

It is an interprime number because it is at equal distance from previous prime (25050511417) and next prime (25050511429).

It is not a de Polignac number, because 25050511423 - 221 = 25048414271 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25050511391 and 25050511400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25050511429) 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, 36516438 + ... + 36517123.

It is an arithmetic number, because the mean of its divisors is an integer number (3651678100).

Almost surely, 225050511423 is an apocalyptic number.

25050511423 is a deficient number, since it is larger than the sum of its proper divisors (4162913377).

25050511423 is an frugal number, since it uses more digits than its factorization.

25050511423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73033582 (or 73033568 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The spelling of 25050511423 in words is "twenty-five billion, fifty million, five hundred eleven thousand, four hundred twenty-three".

Divisors: 1 7 49 343 73033561 511234927 3578644489 25050511423