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64113784783 is a prime number
BaseRepresentation
bin111011101101011110…
…101011011111001111
320010111012101201120121
4323231132223133033
52022301112103113
645241540525411
74426541115226
oct735536533717
9203435351517
1064113784783
11252106184a4
12105136b0867
136079b0a879
143162d85cbd
151a039a1e8d
hexeed7ab7cf

64113784783 has 2 divisors, whose sum is σ = 64113784784. Its totient is φ = 64113784782.

The previous prime is 64113784781. The next prime is 64113784859. The reversal of 64113784783 is 38748731146.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64113784783 - 21 = 64113784781 is a prime.

It is a super-2 number, since 2×641137847832 (a number of 22 digits) contains 22 as substring.

Together with 64113784781, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 64113784783.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64113784781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32056892391 + 32056892392.

It is an arithmetic number, because the mean of its divisors is an integer number (32056892392).

Almost surely, 264113784783 is an apocalyptic number.

64113784783 is a deficient number, since it is larger than the sum of its proper divisors (1).

64113784783 is an equidigital number, since it uses as much as digits as its factorization.

64113784783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2709504, while the sum is 52.

The spelling of 64113784783 in words is "sixty-four billion, one hundred thirteen million, seven hundred eighty-four thousand, seven hundred eighty-three".