Base | Representation |
---|---|
bin | 1010001011001101… |
… | …1011010011000111 |
3 | 21001100120222220012 |
4 | 2202303123103013 |
5 | 21043213441101 |
6 | 1131011100435 |
7 | 124454301410 |
oct | 24263332307 |
9 | 7040528805 |
10 | 2731390151 |
11 | 1181886936 |
12 | 6428a171b |
13 | 346b573b9 |
14 | 1bca84807 |
15 | 10ebd5bbb |
hex | a2cdb4c7 |
2731390151 has 8 divisors (see below), whose sum is σ = 3122165280. Its totient is φ = 2340759168.
The previous prime is 2731390127. The next prime is 2731390169. The reversal of 2731390151 is 1510931372.
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 2731390151 - 222 = 2727195847 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2731390751) 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 7 ways as a sum of consecutive naturals, for example, 8195 + ... + 74363.
It is an arithmetic number, because the mean of its divisors is an integer number (390270660).
Almost surely, 22731390151 is an apocalyptic number.
2731390151 is a deficient number, since it is larger than the sum of its proper divisors (390775129).
2731390151 is an equidigital number, since it uses as much as digits as its factorization.
2731390151 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 72073.
The product of its (nonzero) digits is 5670, while the sum is 32.
The square root of 2731390151 is about 52262.7032500233. The cubic root of 2731390151 is about 1397.8521744317.
The spelling of 2731390151 in words is "two billion, seven hundred thirty-one million, three hundred ninety thousand, one hundred fifty-one".
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