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25828250080 = 255161426563
BaseRepresentation
bin11000000011011110…
…111101000111100000
32110200000102001022211
4120003132331013200
5410344013000310
615510525011504
71603022334433
oct300336750740
973600361284
1025828250080
11aa54412626
1250099b3b94
132587ccaa19
14137038781a
15a12779c8a
hex6037bd1e0

25828250080 has 24 divisors (see below), whose sum is σ = 61019241192. Its totient is φ = 10331299968.

The previous prime is 25828250057. The next prime is 25828250083. The reversal of 25828250080 is 8005282852.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25828250083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80713122 + ... + 80713441.

It is an arithmetic number, because the mean of its divisors is an integer number (2542468383).

Almost surely, 225828250080 is an apocalyptic number.

25828250080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25828250080 is an abundant number, since it is smaller than the sum of its proper divisors (35190991112).

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

25828250080 is a wasteful number, since it uses less digits than its factorization.

25828250080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161426578 (or 161426570 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 40.

The spelling of 25828250080 in words is "twenty-five billion, eight hundred twenty-eight million, two hundred fifty thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 161426563 322853126 645706252 807132815 1291412504 1614265630 2582825008 3228531260 5165650016 6457062520 12914125040 25828250080