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25255055305253 = 67376941123959
BaseRepresentation
bin1011011111000001001101…
…00110011010101000100101
310022102100201020010121022002
411233200212212122220211
511302234323124232003
6125414002351015045
75214421546063064
oct557404646325045
9108370636117262
1025255055305253
11805767735a474
1229ba722b0a485
13111270688a867
146344cb9921db
152dbe1e0eea88
hex16f82699aa25

25255055305253 has 4 divisors (see below), whose sum is σ = 25631996429280. Its totient is φ = 24878114181228.

The previous prime is 25255055305243. The next prime is 25255055305267. The reversal of 25255055305253 is 35250355055252.

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 25255055305253 - 24 = 25255055305237 is a prime.

It is a super-3 number, since 3×252550553052533 (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25255055305198 and 25255055305207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25255055305243) 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, 188470561913 + ... + 188470562046.

It is an arithmetic number, because the mean of its divisors is an integer number (6407999107320).

Almost surely, 225255055305253 is an apocalyptic number.

It is an amenable number.

25255055305253 is a deficient number, since it is larger than the sum of its proper divisors (376941124027).

25255055305253 is an equidigital number, since it uses as much as digits as its factorization.

25255055305253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376941124026.

The product of its (nonzero) digits is 5625000, while the sum is 47.

The spelling of 25255055305253 in words is "twenty-five trillion, two hundred fifty-five billion, fifty-five million, three hundred five thousand, two hundred fifty-three".

Divisors: 1 67 376941123959 25255055305253