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10550215993 is a prime number
BaseRepresentation
bin10011101001101011…
…11000010100111001
31000020021002111120111
421310311320110321
5133101323402433
64502515424321
7522305233132
oct116465702471
930207074514
1010550215993
11452435a479
1220652b50a1
13cc19a5075
1472126ac89
1541b344dcd
hex274d78539

10550215993 has 2 divisors, whose sum is σ = 10550215994. Its totient is φ = 10550215992.

The previous prime is 10550215969. The next prime is 10550216077. The reversal of 10550215993 is 39951205501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5886418729 + 4663797264 = 76723^2 + 68292^2 .

It is a cyclic number.

It is not a de Polignac number, because 10550215993 - 217 = 10550084921 is a prime.

It is a super-2 number, since 2×105502159932 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10550216993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5275107996 + 5275107997.

It is an arithmetic number, because the mean of its divisors is an integer number (5275107997).

Almost surely, 210550215993 is an apocalyptic number.

It is an amenable number.

10550215993 is a deficient number, since it is larger than the sum of its proper divisors (1).

10550215993 is an equidigital number, since it uses as much as digits as its factorization.

10550215993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60750, while the sum is 40.

The spelling of 10550215993 in words is "ten billion, five hundred fifty million, two hundred fifteen thousand, nine hundred ninety-three".