Search a number
-
+
80888371189 is a prime number
BaseRepresentation
bin100101101010101010…
…0101001011111110101
321201210020202000011121
41023111110221133311
52311124410334224
6101054250303541
75562326545033
oct1132524513765
9251706660147
1080888371189
113133941654a
1213815427bb1
1378211b9442
143cb4b49553
15218649ebe4
hex12d55297f5

80888371189 has 2 divisors, whose sum is σ = 80888371190. Its totient is φ = 80888371188.

The previous prime is 80888371159. The next prime is 80888371231. The reversal of 80888371189 is 98117388808.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65951376100 + 14936995089 = 256810^2 + 122217^2 .

It is a cyclic number.

It is not a de Polignac number, because 80888371189 - 211 = 80888369141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80888371159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40444185594 + 40444185595.

It is an arithmetic number, because the mean of its divisors is an integer number (40444185595).

Almost surely, 280888371189 is an apocalyptic number.

It is an amenable number.

80888371189 is a deficient number, since it is larger than the sum of its proper divisors (1).

80888371189 is an equidigital number, since it uses as much as digits as its factorization.

80888371189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6193152, while the sum is 61.

The spelling of 80888371189 in words is "eighty billion, eight hundred eighty-eight million, three hundred seventy-one thousand, one hundred eighty-nine".