Base | Representation |
---|---|
bin | 1000010101110001… |
… | …1001101001100011 |
3 | 12210000201120120101 |
4 | 2011130121221203 |
5 | 14041114033234 |
6 | 1010053323231 |
7 | 106323416623 |
oct | 20534315143 |
9 | 5700646511 |
10 | 2238814819 |
11 | a4983078a |
12 | 525936517 |
13 | 298aa18c7 |
14 | 1734a2883 |
15 | d1837814 |
hex | 85719a63 |
2238814819 has 16 divisors (see below), whose sum is σ = 2339701920. Its totient is φ = 2139621120.
The previous prime is 2238814811. The next prime is 2238814841. The reversal of 2238814819 is 9184188322.
It is not a de Polignac number, because 2238814819 - 23 = 2238814811 is a prime.
It is a super-2 number, since 2×22388148192 = 10024583587548005522, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2238814811) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1424304 + ... + 1425874.
It is an arithmetic number, because the mean of its divisors is an integer number (146231370).
Almost surely, 22238814819 is an apocalyptic number.
2238814819 is a gapful number since it is divisible by the number (29) formed by its first and last digit.
2238814819 is a deficient number, since it is larger than the sum of its proper divisors (100887101).
2238814819 is a wasteful number, since it uses less digits than its factorization.
2238814819 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2070.
The product of its digits is 221184, while the sum is 46.
The square root of 2238814819 is about 47316.1158486197. The cubic root of 2238814819 is about 1308.1957211243.
The spelling of 2238814819 in words is "two billion, two hundred thirty-eight million, eight hundred fourteen thousand, eight hundred nineteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •