Base | Representation |
---|---|
bin | 1010001011001000… |
… | …0100110110011101 |
3 | 21001022221000011202 |
4 | 2202302010312131 |
5 | 21043121123221 |
6 | 1130555325245 |
7 | 124451265155 |
oct | 24262046635 |
9 | 7038830152 |
10 | 2731036061 |
11 | 11816648a6 |
12 | 642750825 |
13 | 346a62190 |
14 | 1bc9d1765 |
15 | 10eb65d0b |
hex | a2c84d9d |
2731036061 has 8 divisors (see below), whose sum is σ = 2970237144. Its totient is φ = 2495995200.
The previous prime is 2731036051. The next prime is 2731036127. The reversal of 2731036061 is 1606301372.
It can be written as a sum of positive squares in 4 ways, for example, as 73633561 + 2657402500 = 8581^2 + 51550^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2731036061 - 26 = 2731035997 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2731036051) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1038686 + ... + 1041311.
It is an arithmetic number, because the mean of its divisors is an integer number (371279643).
Almost surely, 22731036061 is an apocalyptic number.
It is an amenable number.
2731036061 is a deficient number, since it is larger than the sum of its proper divisors (239201083).
2731036061 is a wasteful number, since it uses less digits than its factorization.
2731036061 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2080111.
The product of its (nonzero) digits is 4536, while the sum is 29.
The square root of 2731036061 is about 52259.3155427815. The cubic root of 2731036061 is about 1397.7917672350.
The spelling of 2731036061 in words is "two billion, seven hundred thirty-one million, thirty-six thousand, sixty-one".
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