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51080031029 is a prime number
BaseRepresentation
bin101111100100100110…
…110110101100110101
311212211212002102200002
4233210212312230311
51314102441443104
635244342201045
73455545046156
oct574446665465
9155755072602
1051080031029
111a732389385
129a96723185
134a8074b441
142687d5192d
1514de5d401e
hexbe49b6b35

51080031029 has 2 divisors, whose sum is σ = 51080031030. Its totient is φ = 51080031028.

The previous prime is 51080030893. The next prime is 51080031071. The reversal of 51080031029 is 92013008015.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32264422129 + 18815608900 = 179623^2 + 137170^2 .

It is a cyclic number.

It is not a de Polignac number, because 51080031029 - 228 = 50811595573 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51080030992 and 51080031010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51080031829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25540015514 + 25540015515.

It is an arithmetic number, because the mean of its divisors is an integer number (25540015515).

Almost surely, 251080031029 is an apocalyptic number.

It is an amenable number.

51080031029 is a deficient number, since it is larger than the sum of its proper divisors (1).

51080031029 is an equidigital number, since it uses as much as digits as its factorization.

51080031029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 29.

The spelling of 51080031029 in words is "fifty-one billion, eighty million, thirty-one thousand, twenty-nine".