Base | Representation |
---|---|
bin | 111111110110000… |
… | …0100110100000000 |
3 | 12112022001002220202 |
4 | 1333230010310000 |
5 | 13341404313410 |
6 | 552324024332 |
7 | 104041625243 |
oct | 17754046400 |
9 | 5468032822 |
10 | 2142260480 |
11 | 9aa283008 |
12 | 4b95320a8 |
13 | 281a96569 |
14 | 16472b25a |
15 | c8113ca5 |
hex | 7fb04d00 |
2142260480 has 72 divisors (see below), whose sum is σ = 5354560512. Its totient is φ = 819636224.
The previous prime is 2142260383. The next prime is 2142260489. The reversal of 2142260480 is 840622412.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2142260489) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6944 + ... + 65823.
It is an arithmetic number, because the mean of its divisors is an integer number (74368896).
Almost surely, 22142260480 is an apocalyptic number.
2142260480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2142260480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2677280256).
2142260480 is an abundant number, since it is smaller than the sum of its proper divisors (3212300032).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2142260480 is an equidigital number, since it uses as much as digits as its factorization.
2142260480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72811 (or 72797 counting only the distinct ones).
The product of its (nonzero) digits is 6144, while the sum is 29.
The square root of 2142260480 is about 46284.5598445097. The cubic root of 2142260480 is about 1289.1123192172.
Adding to 2142260480 its reverse (840622412), we get a palindrome (2982882892).
The spelling of 2142260480 in words is "two billion, one hundred forty-two million, two hundred sixty thousand, four hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •