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51922497871 is a prime number
BaseRepresentation
bin110000010110110100…
…100111000101001111
311222000120100011220201
4300112310213011033
51322314124412441
635504115154331
73515454643546
oct602664470517
9158016304821
1051922497871
1120024995172
12a0908a59a7
134b8614c92a
142727bb315d
15153d548c31
hexc16d2714f

51922497871 has 2 divisors, whose sum is σ = 51922497872. Its totient is φ = 51922497870.

The previous prime is 51922497857. The next prime is 51922497881. The reversal of 51922497871 is 17879422915.

51922497871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51922497871 - 213 = 51922489679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51922497881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25961248935 + 25961248936.

It is an arithmetic number, because the mean of its divisors is an integer number (25961248936).

Almost surely, 251922497871 is an apocalyptic number.

51922497871 is a deficient number, since it is larger than the sum of its proper divisors (1).

51922497871 is an equidigital number, since it uses as much as digits as its factorization.

51922497871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2540160, while the sum is 55.

The spelling of 51922497871 in words is "fifty-one billion, nine hundred twenty-two million, four hundred ninety-seven thousand, eight hundred seventy-one".