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855003283025 = 5243378984137
BaseRepresentation
bin11000111000100100010…
…10101011111001010001
310000201220122112000122012
430130102022223321101
5103002021320024100
61452441051352305
7115525530664523
oct14342212537121
93021818460565
10855003283025
112aa6720773a1
12119856a52695
136281b4573a8
142d54d36da13
151739203b135
hexc7122abe51

855003283025 has 12 divisors (see below), whose sum is σ = 1062652592652. Its totient is φ = 682422935040.

The previous prime is 855003283007. The next prime is 855003283027. The reversal of 855003283025 is 520382300558.

It can be written as a sum of positive squares in 6 ways, for example, as 250503253009 + 604500030016 = 500503^2 + 777496^2 .

It is not a de Polignac number, because 855003283025 - 26 = 855003282961 is a prime.

It is a super-2 number, since 2×8550032830252 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (855003283027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39481244 + ... + 39502893.

It is an arithmetic number, because the mean of its divisors is an integer number (88554382721).

Almost surely, 2855003283025 is an apocalyptic number.

It is an amenable number.

855003283025 is a deficient number, since it is larger than the sum of its proper divisors (207649309627).

855003283025 is a wasteful number, since it uses less digits than its factorization.

855003283025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78984580 (or 78984575 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 41.

The spelling of 855003283025 in words is "eight hundred fifty-five billion, three million, two hundred eighty-three thousand, twenty-five".

Divisors: 1 5 25 433 2165 10825 78984137 394920685 1974603425 34200131321 171000656605 855003283025