Search a number
-
+
42083335669 is a prime number
BaseRepresentation
bin100111001100010111…
…001011110111110101
311000121212012221202211
4213030113023313311
51142141313220134
631155515533421
73016602310504
oct471427136765
9130555187684
1042083335669
1116935a44a61
1281a575a271
133c7888736b
14207315a83b
15116485b764
hex9cc5cbdf5

42083335669 has 2 divisors, whose sum is σ = 42083335670. Its totient is φ = 42083335668.

The previous prime is 42083335643. The next prime is 42083335691. The reversal of 42083335669 is 96653338024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41978682769 + 104652900 = 204887^2 + 10230^2 .

It is a cyclic number.

It is not a de Polignac number, because 42083335669 - 29 = 42083335157 is a prime.

It is a super-2 number, since 2×420833356692 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42083335369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21041667834 + 21041667835.

It is an arithmetic number, because the mean of its divisors is an integer number (21041667835).

Almost surely, 242083335669 is an apocalyptic number.

It is an amenable number.

42083335669 is a deficient number, since it is larger than the sum of its proper divisors (1).

42083335669 is an equidigital number, since it uses as much as digits as its factorization.

42083335669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2799360, while the sum is 49.

The spelling of 42083335669 in words is "forty-two billion, eighty-three million, three hundred thirty-five thousand, six hundred sixty-nine".