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83888466281 is a prime number
BaseRepresentation
bin100111000100000100…
…1000110100101101001
322000112022221121221122
41032020021012211221
52333300421410111
6102312100545025
76026556124664
oct1161011064551
9260468847848
1083888466281
1132638941384
12143120b2175
137bab905039
1440bb3786db
1522aea61cdb
hex1388246969

83888466281 has 2 divisors, whose sum is σ = 83888466282. Its totient is φ = 83888466280.

The previous prime is 83888466229. The next prime is 83888466289. The reversal of 83888466281 is 18266488838.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72715976281 + 11172490000 = 269659^2 + 105700^2 .

It is a cyclic number.

It is not a de Polignac number, because 83888466281 - 218 = 83888204137 is a prime.

It is a super-2 number, since 2×838884662812 (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (83888466289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41944233140 + 41944233141.

It is an arithmetic number, because the mean of its divisors is an integer number (41944233141).

Almost surely, 283888466281 is an apocalyptic number.

It is an amenable number.

83888466281 is a deficient number, since it is larger than the sum of its proper divisors (1).

83888466281 is an equidigital number, since it uses as much as digits as its factorization.

83888466281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28311552, while the sum is 62.

The spelling of 83888466281 in words is "eighty-three billion, eight hundred eighty-eight million, four hundred sixty-six thousand, two hundred eighty-one".