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2102322139 is a prime number
BaseRepresentation
bin111110101001110…
…1110001111011011
312102111220000210221
41331103232033123
513301143302024
6544340020511
7103045305031
oct17523561733
95374800727
102102322139
11989784815
124a8091737
13276721ac8
1415d2d2551
15c48753e4
hex7d4ee3db

2102322139 has 2 divisors, whose sum is σ = 2102322140. Its totient is φ = 2102322138.

The previous prime is 2102322121. The next prime is 2102322149. The reversal of 2102322139 is 9312232012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2102322139 - 213 = 2102313947 is a prime.

It is a super-2 number, since 2×21023221392 = 8839516752259070642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2102322149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051161069 + 1051161070.

It is an arithmetic number, because the mean of its divisors is an integer number (1051161070).

Almost surely, 22102322139 is an apocalyptic number.

2102322139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102322139 is an equidigital number, since it uses as much as digits as its factorization.

2102322139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 2102322139 is about 45851.0865629158. The cubic root of 2102322139 is about 1281.0510042596.

The spelling of 2102322139 in words is "two billion, one hundred two million, three hundred twenty-two thousand, one hundred thirty-nine".