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51080030893 is a prime number
BaseRepresentation
bin101111100100100110…
…110110101010101101
311212211212002102111001
4233210212312222231
51314102441442033
635244342200301
73455545045603
oct574446665255
9155755072431
1051080030893
111a732389271
129a96723091
134a8074b368
142687d51873
1514de5d3e7d
hexbe49b6aad

51080030893 has 2 divisors, whose sum is σ = 51080030894. Its totient is φ = 51080030892.

The previous prime is 51080030873. The next prime is 51080031029. The reversal of 51080030893 is 39803008015.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27389588004 + 23690442889 = 165498^2 + 153917^2 .

It is a cyclic number.

It is not a de Polignac number, because 51080030893 - 213 = 51080022701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51080030873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25540015446 + 25540015447.

It is an arithmetic number, because the mean of its divisors is an integer number (25540015447).

Almost surely, 251080030893 is an apocalyptic number.

It is an amenable number.

51080030893 is a deficient number, since it is larger than the sum of its proper divisors (1).

51080030893 is an equidigital number, since it uses as much as digits as its factorization.

51080030893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 37.

The spelling of 51080030893 in words is "fifty-one billion, eighty million, thirty thousand, eight hundred ninety-three".