Base | Representation |
---|---|
bin | 1010001011001110… |
… | …0010101011101011 |
3 | 21001100122112101100 |
4 | 2202303202223223 |
5 | 21043220423040 |
6 | 1131011452443 |
7 | 124454455524 |
oct | 24263425353 |
9 | 7040575340 |
10 | 2731420395 |
11 | 11818a7630 |
12 | 6428b7123 |
13 | 346b680b2 |
14 | 1bca9184b |
15 | 10ebdeb30 |
hex | a2ce2aeb |
2731420395 has 24 divisors (see below), whose sum is σ = 5164868592. Its totient is φ = 1324324800.
The previous prime is 2731420387. The next prime is 2731420397. The reversal of 2731420395 is 5930241372.
It is not a de Polignac number, because 2731420395 - 23 = 2731420387 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2731420397) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2758516 + ... + 2759505.
It is an arithmetic number, because the mean of its divisors is an integer number (215202858).
Almost surely, 22731420395 is an apocalyptic number.
2731420395 is a deficient number, since it is larger than the sum of its proper divisors (2433448197).
2731420395 is a wasteful number, since it uses less digits than its factorization.
2731420395 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5518043 (or 5518040 counting only the distinct ones).
The product of its (nonzero) digits is 45360, while the sum is 36.
The square root of 2731420395 is about 52262.9925951433. The cubic root of 2731420395 is about 1397.8573337685.
The spelling of 2731420395 in words is "two billion, seven hundred thirty-one million, four hundred twenty thousand, three hundred ninety-five".
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