Search a number
-
+
2159089139 is a prime number
BaseRepresentation
bin1000000010110001…
…0001010111110011
312120110201002111102
42000230101113303
513410211323024
6554124435015
7104334645344
oct20054212763
95513632442
102159089139
11a08827699
125030a8a6b
1328540934c
14166a6c0cb
15c983a1ae
hex80b115f3

2159089139 has 2 divisors, whose sum is σ = 2159089140. Its totient is φ = 2159089138.

The previous prime is 2159089123. The next prime is 2159089159. The reversal of 2159089139 is 9319809512.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2159089139 - 24 = 2159089123 is a prime.

It is a super-2 number, since 2×21590891392 = 9323331820295522642, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2159089093 and 2159089102.

It is not a weakly prime, because it can be changed into another prime (2159089109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1079544569 + 1079544570.

It is an arithmetic number, because the mean of its divisors is an integer number (1079544570).

Almost surely, 22159089139 is an apocalyptic number.

2159089139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2159089139 is an equidigital number, since it uses as much as digits as its factorization.

2159089139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 174960, while the sum is 47.

The square root of 2159089139 is about 46465.9998170705. Note that the first 3 decimals coincide. The cubic root of 2159089139 is about 1292.4790856447.

The spelling of 2159089139 in words is "two billion, one hundred fifty-nine million, eighty-nine thousand, one hundred thirty-nine".