Base | Representation |
---|---|
bin | 111111111010101… |
… | …0010010100001101 |
3 | 12112110120210010120 |
4 | 1333311102110031 |
5 | 13343014100320 |
6 | 552451455153 |
7 | 104101303020 |
oct | 17765222415 |
9 | 5473523116 |
10 | 2144675085 |
11 | a00682153 |
12 | 4ba2b74b9 |
13 | 282430617 |
14 | 164b991b7 |
15 | c843e440 |
hex | 7fd5250d |
2144675085 has 16 divisors (see below), whose sum is σ = 3921691776. Its totient is φ = 980422848.
The previous prime is 2144675083. The next prime is 2144675087. The reversal of 2144675085 is 5805764412.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (2144675083) and next prime (2144675087).
It is not a de Polignac number, because 2144675085 - 21 = 2144675083 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2144675081) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10212634 + ... + 10212843.
It is an arithmetic number, because the mean of its divisors is an integer number (245105736).
Almost surely, 22144675085 is an apocalyptic number.
It is an amenable number.
2144675085 is a deficient number, since it is larger than the sum of its proper divisors (1777016691).
2144675085 is a wasteful number, since it uses less digits than its factorization.
2144675085 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20425492.
The product of its (nonzero) digits is 268800, while the sum is 42.
The square root of 2144675085 is about 46310.6368451137. The cubic root of 2144675085 is about 1289.5964695405.
The spelling of 2144675085 in words is "two billion, one hundred forty-four million, six hundred seventy-five thousand, eighty-five".
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