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51300773089 = 197532597113
BaseRepresentation
bin101111110001110000…
…111010110011100001
311220102020110021211221
4233301300322303201
51320030444214324
635322305335041
73464165243056
oct576160726341
9156366407757
1051300773089
111a835a49135
129b38637481
134ab73b8847
1426a93b302d
151503b890e4
hexbf1c3ace1

51300773089 has 4 divisors (see below), whose sum is σ = 51303389956. Its totient is φ = 51298156224.

The previous prime is 51300773087. The next prime is 51300773107. The reversal of 51300773089 is 98037700315.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36293298064 + 15007475025 = 190508^2 + 122505^2 .

It is a cyclic number.

It is not a de Polignac number, because 51300773089 - 21 = 51300773087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51300773081) 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, 1278804 + ... + 1318309.

It is an arithmetic number, because the mean of its divisors is an integer number (12825847489).

Almost surely, 251300773089 is an apocalyptic number.

It is an amenable number.

51300773089 is a deficient number, since it is larger than the sum of its proper divisors (2616867).

51300773089 is a wasteful number, since it uses less digits than its factorization.

51300773089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2616866.

The product of its (nonzero) digits is 158760, while the sum is 43.

The spelling of 51300773089 in words is "fifty-one billion, three hundred million, seven hundred seventy-three thousand, eighty-nine".

Divisors: 1 19753 2597113 51300773089