Base | Representation |
---|---|
bin | 1001101001101101011100… |
… | …00011110000110001001010 |
3 | 2210011000202200211021021212 |
4 | 10310312232003300301022 |
5 | 10240214434012200211 |
6 | 113050200005333122 |
7 | 4320260161125320 |
oct | 464665603606112 |
9 | 83130680737255 |
10 | 21224353631306 |
11 | 684321a341851 |
12 | 24695091071a2 |
13 | bac5a9222a67 |
14 | 53539ad55d10 |
15 | 26c162b1738b |
hex | 134dae0f0c4a |
21224353631306 has 32 divisors (see below), whose sum is σ = 36524232695808. Its totient is φ = 9061254805680.
The previous prime is 21224353631303. The next prime is 21224353631329. The reversal of 21224353631306 is 60313635342212.
It is not an unprimeable number, because it can be changed into a prime (21224353631303) 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, 25630661 + ... + 26445783.
It is an arithmetic number, because the mean of its divisors is an integer number (1141382271744).
Almost surely, 221224353631306 is an apocalyptic number.
21224353631306 is a deficient number, since it is larger than the sum of its proper divisors (15299879064502).
21224353631306 is a wasteful number, since it uses less digits than its factorization.
21224353631306 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 822266.
The product of its (nonzero) digits is 466560, while the sum is 41.
Adding to 21224353631306 its reverse (60313635342212), we get a palindrome (81537988973518).
The spelling of 21224353631306 in words is "twenty-one trillion, two hundred twenty-four billion, three hundred fifty-three million, six hundred thirty-one thousand, three hundred six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •