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61853333066713 is a prime number
BaseRepresentation
bin11100001000001010110011…
…11100100001001111011001
322010000010021010112012001001
432010011121330201033121
531101401111231113323
6335315010130025001
716012520153165056
oct1604053174411731
9263003233465031
1061853333066713
1118787940004131
126b2b710118161
13286898a252526
14113ba0837c02d
15723e318d63ad
hex384159f213d9

61853333066713 has 2 divisors, whose sum is σ = 61853333066714. Its totient is φ = 61853333066712.

The previous prime is 61853333066711. The next prime is 61853333066771. The reversal of 61853333066713 is 31766033335816.

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., 34915489198489 + 26937843868224 = 5908933^2 + 5190168^2 .

It is a cyclic number.

It is not a de Polignac number, because 61853333066713 - 21 = 61853333066711 is a prime.

It is a super-2 number, since 2×618533330667132 (a number of 28 digits) contains 22 as substring.

Together with 61853333066711, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (61853333066711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30926666533356 + 30926666533357.

It is an arithmetic number, because the mean of its divisors is an integer number (30926666533357).

Almost surely, 261853333066713 is an apocalyptic number.

It is an amenable number.

61853333066713 is a deficient number, since it is larger than the sum of its proper divisors (1).

61853333066713 is an equidigital number, since it uses as much as digits as its factorization.

61853333066713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14696640, while the sum is 55.

The spelling of 61853333066713 in words is "sixty-one trillion, eight hundred fifty-three billion, three hundred thirty-three million, sixty-six thousand, seven hundred thirteen".