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25325275807 = 132197887037
BaseRepresentation
bin10111100101100000…
…010000101010011111
32102100221222022100001
4113211200100222133
5403331232311212
615345000315131
71554404202226
oct274540205237
972327868301
1025325275807
11a816504607
124aa9472aa7
132507a43c00
141323659cbd
159d3525657
hex5e5810a9f

25325275807 has 12 divisors (see below), whose sum is σ = 28866559080. Its totient is φ = 22146797088.

The previous prime is 25325275793. The next prime is 25325275813. The reversal of 25325275807 is 70857252352.

It is not a de Polignac number, because 25325275807 - 223 = 25316887199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25325275007) 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 11 ways as a sum of consecutive naturals, for example, 3940308 + ... + 3946729.

It is an arithmetic number, because the mean of its divisors is an integer number (2405546590).

Almost surely, 225325275807 is an apocalyptic number.

25325275807 is a deficient number, since it is larger than the sum of its proper divisors (3541283273).

25325275807 is a wasteful number, since it uses less digits than its factorization.

25325275807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7887082 (or 7887069 counting only the distinct ones).

The product of its (nonzero) digits is 1176000, while the sum is 46.

The spelling of 25325275807 in words is "twenty-five billion, three hundred twenty-five million, two hundred seventy-five thousand, eight hundred seven".

Divisors: 1 13 19 169 247 3211 7887037 102531481 149853703 1332909253 1948098139 25325275807