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51225301144 = 2323251275393
BaseRepresentation
bin101111101101010001…
…000001000010011000
311220012222102220210201
4233231101001002120
51314402134114034
635311011551544
73462260606203
oct575521010230
9156188386721
1051225301144
111a7a738aa26
129b172bb5b4
134aa48824a4
14269d36893a
1514ec22c014
hexbed441098

51225301144 has 16 divisors (see below), whose sum is σ = 96051919320. Its totient is φ = 25611456000.

The previous prime is 51225301133. The next prime is 51225301147. The reversal of 51225301144 is 44110352215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51225301147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48312 + ... + 323704.

Almost surely, 251225301144 is an apocalyptic number.

It is an amenable number.

51225301144 is a deficient number, since it is larger than the sum of its proper divisors (44826618176).

51225301144 is a wasteful number, since it uses less digits than its factorization.

51225301144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298650 (or 298646 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 51225301144 its reverse (44110352215), we get a palindrome (95335653359).

The spelling of 51225301144 in words is "fifty-one billion, two hundred twenty-five million, three hundred one thousand, one hundred forty-four".

Divisors: 1 2 4 8 23251 46502 93004 186008 275393 550786 1101572 2203144 6403162643 12806325286 25612650572 51225301144