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50693947979 is a prime number
BaseRepresentation
bin101111001101100110…
…000100001001001011
311211211221121101021212
4233031212010021023
51312310122313404
635142151123335
73443146306463
oct571546041113
9154757541255
1050693947979
111a554459484
1299a937354b
134a1b77052c
14264c970ba3
1514ba76e06e
hexbcd98424b

50693947979 has 2 divisors, whose sum is σ = 50693947980. Its totient is φ = 50693947978.

The previous prime is 50693947877. The next prime is 50693947987. The reversal of 50693947979 is 97974939605.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50693947979 - 28 = 50693947723 is a prime.

It is not a weakly prime, because it can be changed into another prime (50693937979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25346973989 + 25346973990.

It is an arithmetic number, because the mean of its divisors is an integer number (25346973990).

Almost surely, 250693947979 is an apocalyptic number.

50693947979 is a deficient number, since it is larger than the sum of its proper divisors (1).

50693947979 is an equidigital number, since it uses as much as digits as its factorization.

50693947979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 115736040, while the sum is 68.

The spelling of 50693947979 in words is "fifty billion, six hundred ninety-three million, nine hundred forty-seven thousand, nine hundred seventy-nine".