Base | Representation |
---|---|
bin | 111111100001010… |
… | …0110101010100111 |
3 | 12111112120210011212 |
4 | 1333002212222213 |
5 | 13331113422340 |
6 | 551255022035 |
7 | 103550336243 |
oct | 17702465247 |
9 | 5445523155 |
10 | 2131389095 |
11 | 9a41281a0 |
12 | 4b596a91b |
13 | 27c75b1a4 |
14 | 1630db423 |
15 | c71b7a65 |
hex | 7f0a6aa7 |
2131389095 has 16 divisors (see below), whose sum is σ = 2791895040. Its totient is φ = 1549149600.
The previous prime is 2131389079. The next prime is 2131389109. The reversal of 2131389095 is 5909831312.
It is not a de Polignac number, because 2131389095 - 24 = 2131389079 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85730 + ... + 107760.
It is an arithmetic number, because the mean of its divisors is an integer number (174493440).
Almost surely, 22131389095 is an apocalyptic number.
2131389095 is a deficient number, since it is larger than the sum of its proper divisors (660505945).
2131389095 is a wasteful number, since it uses less digits than its factorization.
2131389095 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23806.
The product of its (nonzero) digits is 58320, while the sum is 41.
The square root of 2131389095 is about 46166.9697402808. The cubic root of 2131389095 is about 1286.9279894716.
The spelling of 2131389095 in words is "two billion, one hundred thirty-one million, three hundred eighty-nine thousand, ninety-five".
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