Base | Representation |
---|---|
bin | 10001110010001010111… |
… | …010001011101101110010 |
3 | 11022211110100001102110221 |
4 | 101302022322023231302 |
5 | 130010330403021320 |
6 | 2333231530243254 |
7 | 154202543655253 |
oct | 21621272135562 |
9 | 4284410042427 |
10 | 1222101220210 |
11 | 431321307a42 |
12 | 178a2728652a |
13 | 8b3223b99c0 |
14 | 432158d6b2a |
15 | 21bca1603aa |
hex | 11c8ae8bb72 |
1222101220210 has 32 divisors (see below), whose sum is σ = 2377367294400. Its totient is φ = 449642881728.
The previous prime is 1222101220163. The next prime is 1222101220211. The reversal of 1222101220210 is 120221012221.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (1222101220211) 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, 16572360 + ... + 16645939.
It is an arithmetic number, because the mean of its divisors is an integer number (74292727950).
Almost surely, 21222101220210 is an apocalyptic number.
1222101220210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1222101220210 is a deficient number, since it is larger than the sum of its proper divisors (1155266074190).
1222101220210 is a wasteful number, since it uses less digits than its factorization.
1222101220210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33218602.
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 1222101220210 its reverse (120221012221), we get a palindrome (1342322232431).
The spelling of 1222101220210 in words is "one trillion, two hundred twenty-two billion, one hundred one million, two hundred twenty thousand, two hundred ten".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •