Base | Representation |
---|---|
bin | 1011101110000000… |
… | …00011101110111010 |
3 | 121020110111212010012 |
4 | 11313000003232322 |
5 | 100341104040130 |
6 | 2520144021522 |
7 | 311623423616 |
oct | 56700035672 |
9 | 17213455105 |
10 | 6291471290 |
11 | 273940a555 |
12 | 12770018a2 |
13 | 79359b8a0 |
14 | 439802346 |
15 | 26c50e995 |
hex | 177003bba |
6291471290 has 64 divisors (see below), whose sum is σ = 12780294912. Its totient is φ = 2212531200.
The previous prime is 6291471271. The next prime is 6291471293. The reversal of 6291471290 is 921741926.
It is a super-2 number, since 2×62914712902 = 79165221985788528200, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (6291471293) 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 31 ways as a sum of consecutive naturals, for example, 716225 + ... + 724955.
It is an arithmetic number, because the mean of its divisors is an integer number (199692108).
Almost surely, 26291471290 is an apocalyptic number.
6291471290 is an abundant number, since it is smaller than the sum of its proper divisors (6488823622).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6291471290 is a wasteful number, since it uses less digits than its factorization.
6291471290 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9015.
The product of its (nonzero) digits is 54432, while the sum is 41.
The square root of 6291471290 is about 79318.7953135951. The cubic root of 6291471290 is about 1846.0809454890.
The spelling of 6291471290 in words is "six billion, two hundred ninety-one million, four hundred seventy-one thousand, two hundred ninety".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •