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51418886047 is a prime number
BaseRepresentation
bin101111111000110011…
…011110111110011111
311220201110201001100221
4233320303132332133
51320301213323142
635342125102211
73500131214524
oct577063367637
9156643631327
1051418886047
111a896691151
129b700b7967
134b05a01879
1426bad5b14b
15150e21a767
hexbf8cdef9f

51418886047 has 2 divisors, whose sum is σ = 51418886048. Its totient is φ = 51418886046.

The previous prime is 51418886009. The next prime is 51418886053. The reversal of 51418886047 is 74068881415.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51418886047 - 231 = 49271402399 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51418885985 and 51418886003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51418886447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25709443023 + 25709443024.

It is an arithmetic number, because the mean of its divisors is an integer number (25709443024).

Almost surely, 251418886047 is an apocalyptic number.

51418886047 is a deficient number, since it is larger than the sum of its proper divisors (1).

51418886047 is an equidigital number, since it uses as much as digits as its factorization.

51418886047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1720320, while the sum is 52.

The spelling of 51418886047 in words is "fifty-one billion, four hundred eighteen million, eight hundred eighty-six thousand, forty-seven".