Search a number
-
+
25753612056 = 2335991791431
BaseRepresentation
bin10111111111000010…
…001110111100011000
32110110210222001012120
4113333002032330120
5410220411041211
615455301141240
71601125043034
oct277702167430
973423861176
1025753612056
11aa16273a07
124ba89ba820
1325756c7103
1413644b91c4
15a0ae34d06
hex5ff08ef18

25753612056 has 32 divisors (see below), whose sum is σ = 64491552000. Its totient is φ = 8570201120.

The previous prime is 25753612051. The next prime is 25753612099. The reversal of 25753612056 is 65021635752.

It is a junction number, because it is equal to n+sod(n) for n = 25753611999 and 25753612017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25753612051) 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, 881340 + ... + 910091.

It is an arithmetic number, because the mean of its divisors is an integer number (2015361000).

Almost surely, 225753612056 is an apocalyptic number.

It is an amenable number.

25753612056 is an abundant number, since it is smaller than the sum of its proper divisors (38737939944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25753612056 is a wasteful number, since it uses less digits than its factorization.

25753612056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1792039 (or 1792035 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 42.

The spelling of 25753612056 in words is "twenty-five billion, seven hundred fifty-three million, six hundred twelve thousand, fifty-six".

Divisors: 1 2 3 4 6 8 12 24 599 1198 1797 2396 3594 4792 7188 14376 1791431 3582862 5374293 7165724 10748586 14331448 21497172 42994344 1073067169 2146134338 3219201507 4292268676 6438403014 8584537352 12876806028 25753612056