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50981214793 is a prime number
BaseRepresentation
bin101111011110101101…
…111001101001001001
311212120222011001021111
4233132231321221021
51313402142333133
635230452210321
73453235114165
oct573655715111
9155528131244
1050981214793
111a691626273
129a696099a1
134a661306b2
142678b8bca5
1514d5ab51cd
hexbdeb79a49

50981214793 has 2 divisors, whose sum is σ = 50981214794. Its totient is φ = 50981214792.

The previous prime is 50981214787. The next prime is 50981214863. The reversal of 50981214793 is 39741218905.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33974968329 + 17006246464 = 184323^2 + 130408^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-50981214793 is a prime.

It is not a weakly prime, because it can be changed into another prime (50981214763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25490607396 + 25490607397.

It is an arithmetic number, because the mean of its divisors is an integer number (25490607397).

Almost surely, 250981214793 is an apocalyptic number.

It is an amenable number.

50981214793 is a deficient number, since it is larger than the sum of its proper divisors (1).

50981214793 is an equidigital number, since it uses as much as digits as its factorization.

50981214793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 49.

The spelling of 50981214793 in words is "fifty billion, nine hundred eighty-one million, two hundred fourteen thousand, seven hundred ninety-three".