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2018806963 is a prime number
BaseRepresentation
bin111100001010100…
…1000110010110011
312012200202000112021
41320111020302303
513113303310323
6532154012311
7101012401405
oct17025106263
95180660467
102018806963
11946622608
12484117097
13262330744
14152192b75
15bc37a05d
hex78548cb3

2018806963 has 2 divisors, whose sum is σ = 2018806964. Its totient is φ = 2018806962.

The previous prime is 2018806921. The next prime is 2018806969. The reversal of 2018806963 is 3696088102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2018806963 - 221 = 2016709811 is a prime.

It is not a weakly prime, because it can be changed into another prime (2018806969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1009403481 + 1009403482.

It is an arithmetic number, because the mean of its divisors is an integer number (1009403482).

Almost surely, 22018806963 is an apocalyptic number.

2018806963 is a deficient number, since it is larger than the sum of its proper divisors (1).

2018806963 is an equidigital number, since it uses as much as digits as its factorization.

2018806963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 2018806963 is about 44931.1357857778. The cubic root of 2018806963 is about 1263.8579501330.

The spelling of 2018806963 in words is "two billion, eighteen million, eight hundred six thousand, nine hundred sixty-three".