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25255388780356 = 227901978170727
BaseRepresentation
bin1011011111000001110100…
…11110100001011101000100
310022102101120110121220010211
411233200322132201131010
511302241014011432411
6125414055422325204
75214433035423520
oct557407236413504
9108371513556124
1025255388780356
118057828618229
1229ba7b6729804
13111275a9a92c7
1463451dd9ad80
152dbe3d522221
hex16f83a7a1744

25255388780356 has 12 divisors (see below), whose sum is σ = 50510777560768. Its totient is φ = 10823738048712.

The previous prime is 25255388780353. The next prime is 25255388780389. The reversal of 25255388780356 is 65308788355252.

25255388780356 is an admirable number.

It is a super-2 number, since 2×252553887803562 (a number of 28 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (67) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 25255388780291 and 25255388780300.

It is not an unprimeable number, because it can be changed into a prime (25255388780353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 450989085336 + ... + 450989085391.

Almost surely, 225255388780356 is an apocalyptic number.

It is an amenable number.

25255388780356 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

25255388780356 is a wasteful number, since it uses less digits than its factorization.

25255388780356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901978170738 (or 901978170736 counting only the distinct ones).

The product of its (nonzero) digits is 483840000, while the sum is 67.

The spelling of 25255388780356 in words is "twenty-five trillion, two hundred fifty-five billion, three hundred eighty-eight million, seven hundred eighty thousand, three hundred fifty-six".

Divisors: 1 2 4 7 14 28 901978170727 1803956341454 3607912682908 6313847195089 12627694390178 25255388780356