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3065661425 = 52172424313
BaseRepresentation
bin1011011010111010…
…0100011111110001
321220122120201212202
42312232210133301
522234302131200
61224111432545
7135653456261
oct26656443761
97818521782
103065661425
111333538892
12716825755
1339b194358
142112197a1
1512e2141d5
hexb6ba47f1

3065661425 has 18 divisors (see below), whose sum is σ = 4038196338. Its totient is φ = 2308257280.

The previous prime is 3065661413. The next prime is 3065661451. The reversal of 3065661425 is 5241665603.

It is a happy number.

It can be written as a sum of positive squares in 9 ways, for example, as 40551424 + 3025110001 = 6368^2 + 55001^2 .

It is not a de Polignac number, because 3065661425 - 222 = 3061467121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 204932 + ... + 219381.

It is an arithmetic number, because the mean of its divisors is an integer number (224344241).

Almost surely, 23065661425 is an apocalyptic number.

It is an amenable number.

3065661425 is a deficient number, since it is larger than the sum of its proper divisors (972534913).

3065661425 is a wasteful number, since it uses less digits than its factorization.

3065661425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424357 (or 424335 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

The square root of 3065661425 is about 55368.4154098706. The cubic root of 3065661425 is about 1452.6959633224.

The spelling of 3065661425 in words is "three billion, sixty-five million, six hundred sixty-one thousand, four hundred twenty-five".

Divisors: 1 5 17 25 85 289 425 1445 7225 424313 2121565 7213321 10607825 36066605 122626457 180333025 613132285 3065661425