Search a number
-
+
999999988811 is a prime number
BaseRepresentation
bin11101000110101001010…
…01001110010001001011
310112121011201101212010122
432203110221032101023
5112340444444120221
62043221010133455
7132150634441265
oct16432451162113
93477151355118
10999999988811
11356108a1854a
12141981b8128b
13733b8293715
1436586442b35
151b02b762eab
hexe8d4a4e44b

999999988811 has 2 divisors, whose sum is σ = 999999988812. Its totient is φ = 999999988810.

The previous prime is 999999988777. The next prime is 999999988849. The reversal of 999999988811 is 118889999999.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 999999988811 - 210 = 999999987787 is a prime.

It is a nialpdrome in base 10.

It is a zygodrome in base 10.

It is not a weakly prime, because it can be changed into another prime (999999988411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499999994405 + 499999994406.

It is an arithmetic number, because the mean of its divisors is an integer number (499999994406).

Almost surely, 2999999988811 is an apocalyptic number.

999999988811 is a deficient number, since it is larger than the sum of its proper divisors (1).

999999988811 is an equidigital number, since it uses as much as digits as its factorization.

999999988811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2448880128, while the sum is 89.

The spelling of 999999988811 in words is "nine hundred ninety-nine billion, nine hundred ninety-nine million, nine hundred eighty-eight thousand, eight hundred eleven".