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825695909375 = 55264222691
BaseRepresentation
bin11000000001111110100…
…11111011010111111111
32220221021011112011222212
430000333103323113333
5102012011123100000
61431153000531035
7113440341266501
oct14007723732777
92827234464885
10825695909375
112991a28a6837
12114037a80a7b
135cb2a71c38c
142bd6ccddd71
1516729129c35
hexc03f4fb5ff

825695909375 has 12 divisors (see below), whose sum is σ = 1032053834952. Its totient is φ = 660556725000.

The previous prime is 825695909359. The next prime is 825695909377. The reversal of 825695909375 is 573909596528.

It is not a de Polignac number, because 825695909375 - 24 = 825695909359 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 (825695909377) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 132108221 + ... + 132114470.

It is an arithmetic number, because the mean of its divisors is an integer number (86004486246).

Almost surely, 2825695909375 is an apocalyptic number.

825695909375 is a deficient number, since it is larger than the sum of its proper divisors (206357925577).

825695909375 is an frugal number, since it uses more digits than its factorization.

825695909375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264222716 (or 264222696 counting only the distinct ones).

The product of its (nonzero) digits is 183708000, while the sum is 68.

The spelling of 825695909375 in words is "eight hundred twenty-five billion, six hundred ninety-five million, nine hundred nine thousand, three hundred seventy-five".

Divisors: 1 5 25 125 625 3125 264222691 1321113455 6605567275 33027836375 165139181875 825695909375