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50066503969 is a prime number
BaseRepresentation
bin101110101000001100…
…100011100100100001
311210020012221220220211
4232220030203210201
51310014011111334
635000014534121
73421460155606
oct565014434441
9153205856824
1050066503969
111a262266509
129853207341
13494b7861a1
1425cd4c26ad
15148062ea64
hexba8323921

50066503969 has 2 divisors, whose sum is σ = 50066503970. Its totient is φ = 50066503968.

The previous prime is 50066503909. The next prime is 50066503979. The reversal of 50066503969 is 96930566005.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43307691025 + 6758812944 = 208105^2 + 82212^2 .

It is a cyclic number.

It is not a de Polignac number, because 50066503969 - 29 = 50066503457 is a prime.

It is a super-2 number, since 2×500665039692 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50066503909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25033251984 + 25033251985.

It is an arithmetic number, because the mean of its divisors is an integer number (25033251985).

Almost surely, 250066503969 is an apocalyptic number.

It is an amenable number.

50066503969 is a deficient number, since it is larger than the sum of its proper divisors (1).

50066503969 is an equidigital number, since it uses as much as digits as its factorization.

50066503969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1312200, while the sum is 49.

The spelling of 50066503969 in words is "fifty billion, sixty-six million, five hundred three thousand, nine hundred sixty-nine".