Base | Representation |
---|---|
bin | 1011111111001111… |
… | …0011000110001010 |
3 | 22022021021201000010 |
4 | 2333303303012022 |
5 | 23042303330030 |
6 | 1251153252350 |
7 | 142513530411 |
oct | 27763630612 |
9 | 8267251003 |
10 | 3218026890 |
11 | 1401546261 |
12 | 7598640b6 |
13 | 3c3910b30 |
14 | 22755c478 |
15 | 13c7ae6b0 |
hex | bfcf318a |
3218026890 has 32 divisors (see below), whose sum is σ = 8317362816. Its totient is φ = 792129600.
The previous prime is 3218026871. The next prime is 3218026891. The reversal of 3218026890 is 986208123.
It is a happy number.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is not an unprimeable number, because it can be changed into a prime (3218026891) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4125286 + ... + 4126065.
It is an arithmetic number, because the mean of its divisors is an integer number (259917588).
Almost surely, 23218026890 is an apocalyptic number.
3218026890 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
3218026890 is an abundant number, since it is smaller than the sum of its proper divisors (5099335926).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3218026890 is a wasteful number, since it uses less digits than its factorization.
3218026890 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8251374.
The product of its (nonzero) digits is 41472, while the sum is 39.
The square root of 3218026890 is about 56727.6554248455. The cubic root of 3218026890 is about 1476.3745707723.
The spelling of 3218026890 in words is "three billion, two hundred eighteen million, twenty-six thousand, eight hundred ninety".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •