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200516881 is a prime number
BaseRepresentation
bin10111111001110…
…10010100010001
3111222022022110011
423330322110101
5402313020011
631521434521
74653236215
oct1374722421
9458268404
10200516881
11a3206334
125719ba41
1332708656
141c8b8945
151290c621
hexbf3a511

200516881 has 2 divisors, whose sum is σ = 200516882. Its totient is φ = 200516880.

The previous prime is 200516867. The next prime is 200516891. The reversal of 200516881 is 188615002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 186076881 + 14440000 = 13641^2 + 3800^2 .

It is a cyclic number.

It is not a de Polignac number, because 200516881 - 27 = 200516753 is a prime.

It is a super-2 number, since 2×2005168812 = 80414039131936322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (200516891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100258440 + 100258441.

It is an arithmetic number, because the mean of its divisors is an integer number (100258441).

Almost surely, 2200516881 is an apocalyptic number.

It is an amenable number.

200516881 is a deficient number, since it is larger than the sum of its proper divisors (1).

200516881 is an equidigital number, since it uses as much as digits as its factorization.

200516881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 31.

The square root of 200516881 is about 14160.3983347927. The cubic root of 200516881 is about 585.3069040032.

The spelling of 200516881 in words is "two hundred million, five hundred sixteen thousand, eight hundred eighty-one".