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25353064133 = 136718546499
BaseRepresentation
bin10111100111001010…
…010000111011000101
32102102220021002202022
4113213022100323011
5403410341023013
615351432052525
71555162326605
oct274712207305
972386232668
1025353064133
11a830164371
124ab6834145
1325107232c7
141327210c05
159d5bb4008
hex5e7290ec5

25353064133 has 4 divisors (see below), whose sum is σ = 25371612000. Its totient is φ = 25334516268.

The previous prime is 25353064123. The next prime is 25353064147. The reversal of 25353064133 is 33146035352.

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 25353064133 - 214 = 25353047749 is a prime.

It is a super-2 number, since 2×253530641332 (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 = 25353064093 and 25353064102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25353064123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9271883 + ... + 9274616.

It is an arithmetic number, because the mean of its divisors is an integer number (6342903000).

Almost surely, 225353064133 is an apocalyptic number.

It is an amenable number.

25353064133 is a deficient number, since it is larger than the sum of its proper divisors (18547867).

25353064133 is a wasteful number, since it uses less digits than its factorization.

25353064133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18547866.

The product of its (nonzero) digits is 97200, while the sum is 35.

Adding to 25353064133 its reverse (33146035352), we get a palindrome (58499099485).

The spelling of 25353064133 in words is "twenty-five billion, three hundred fifty-three million, sixty-four thousand, one hundred thirty-three".

Divisors: 1 1367 18546499 25353064133