Search a number
-
+
2102331139 is a prime number
BaseRepresentation
bin111110101001111…
…0000011100000011
312102111220111011021
41331103300130003
513301144044024
6544340130311
7103045343206
oct17523603403
95374814137
102102331139
11989790557
124a8096997
13276725c2c
1415d2d593d
15c4877de4
hex7d4f0703

2102331139 has 2 divisors, whose sum is σ = 2102331140. Its totient is φ = 2102331138.

The previous prime is 2102331097. The next prime is 2102331151. The reversal of 2102331139 is 9311332012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2102331139 - 211 = 2102329091 is a prime.

It is not a weakly prime, because it can be changed into another prime (2102331199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051165569 + 1051165570.

It is an arithmetic number, because the mean of its divisors is an integer number (1051165570).

Almost surely, 22102331139 is an apocalyptic number.

2102331139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102331139 is an equidigital number, since it uses as much as digits as its factorization.

2102331139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 2102331139 is about 45851.1847066136. The cubic root of 2102331139 is about 1281.0528323084.

The spelling of 2102331139 in words is "two billion, one hundred two million, three hundred thirty-one thousand, one hundred thirty-nine".