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51300314253 = 34633337213
BaseRepresentation
bin101111110001101111…
…001010110010001101
311220102012120222110000
4233301233022302031
51320030340024003
635322251434513
73464161322256
oct576157126215
9156365528400
1051300314253
111a835765431
129b38455a39
134ab7287a46
1426a92d3b2d
151503ae81a3
hexbf1bcac8d

51300314253 has 10 divisors (see below), whose sum is σ = 76633802894. Its totient is φ = 34200209448.

The previous prime is 51300314249. The next prime is 51300314309. The reversal of 51300314253 is 35241300315.

51300314253 is a `hidden beast` number, since 513 + 0 + 0 + 3 + 142 + 5 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 50354013609 + 946300644 = 224397^2 + 30762^2 .

It is not a de Polignac number, because 51300314253 - 22 = 51300314249 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51300314213) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 316668526 + ... + 316668687.

Almost surely, 251300314253 is an apocalyptic number.

It is an amenable number.

51300314253 is a deficient number, since it is larger than the sum of its proper divisors (25333488641).

51300314253 is an equidigital number, since it uses as much as digits as its factorization.

51300314253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633337225 (or 633337216 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 51300314253 its reverse (35241300315), we get a palindrome (86541614568).

The spelling of 51300314253 in words is "fifty-one billion, three hundred million, three hundred fourteen thousand, two hundred fifty-three".

Divisors: 1 3 9 27 81 633337213 1900011639 5700034917 17100104751 51300314253