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2643067225 = 52105722689
BaseRepresentation
bin1001110110001010…
…0000000101011001
320211012101201121201
42131202200011121
520403111122400
61114134034201
7122332462231
oct23542400531
96735351551
102643067225
111136a40587
126191a8961
13331771906
141b1052cc1
1510708b06a
hex9d8a0159

2643067225 has 6 divisors (see below), whose sum is σ = 3277403390. Its totient is φ = 2114453760.

The previous prime is 2643067199. The next prime is 2643067247. The reversal of 2643067225 is 5227603462.

It can be written as a sum of positive squares in 3 ways, for example, as 431434441 + 2211632784 = 20771^2 + 47028^2 .

It is not a de Polignac number, because 2643067225 - 223 = 2634678617 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 52861320 + ... + 52861369.

Almost surely, 22643067225 is an apocalyptic number.

2643067225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2643067225 is a deficient number, since it is larger than the sum of its proper divisors (634336165).

2643067225 is a wasteful number, since it uses less digits than its factorization.

2643067225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105722699 (or 105722694 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 37.

The square root of 2643067225 is about 51410.7695429664. The cubic root of 2643067225 is about 1382.6196869001.

The spelling of 2643067225 in words is "two billion, six hundred forty-three million, sixty-seven thousand, two hundred twenty-five".

Divisors: 1 5 25 105722689 528613445 2643067225