Base | Representation |
---|---|
bin | 1010001101100101… |
… | …0001101010010101 |
3 | 21002001021002022121 |
4 | 2203121101222111 |
5 | 21103233442044 |
6 | 1132003455541 |
7 | 124634524462 |
oct | 24331215225 |
9 | 7061232277 |
10 | 2741312149 |
11 | 1187443434 |
12 | 6460875b1 |
13 | 348c1c5c4 |
14 | 1c0108669 |
15 | 1109e5984 |
hex | a3651a95 |
2741312149 has 4 divisors (see below), whose sum is σ = 2742145900. Its totient is φ = 2740478400.
The previous prime is 2741312141. The next prime is 2741312179. The reversal of 2741312149 is 9412131472.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 1584836100 + 1156476049 = 39810^2 + 34007^2 .
It is a cyclic number.
It is not a de Polignac number, because 2741312149 - 23 = 2741312141 is a prime.
It is a super-3 number, since 3×27413121493 (a number of 29 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2741312141) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 411924 + ... + 418525.
It is an arithmetic number, because the mean of its divisors is an integer number (685536475).
Almost surely, 22741312149 is an apocalyptic number.
It is an amenable number.
2741312149 is a deficient number, since it is larger than the sum of its proper divisors (833751).
2741312149 is an equidigital number, since it uses as much as digits as its factorization.
2741312149 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 833750.
The product of its digits is 12096, while the sum is 34.
The square root of 2741312149 is about 52357.5414720745. The cubic root of 2741312149 is about 1399.5427331471.
The spelling of 2741312149 in words is "two billion, seven hundred forty-one million, three hundred twelve thousand, one hundred forty-nine".
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