Base | Representation |
---|---|
bin | 10001110010010010000… |
… | …000100011100000000010 |
3 | 11022211202122011212210001 |
4 | 101302102000203200002 |
5 | 130011101401043020 |
6 | 2333251423230214 |
7 | 154205521254130 |
oct | 21622200434002 |
9 | 4284678155701 |
10 | 1222220331010 |
11 | 431382571718 |
12 | 178a5b14836a |
13 | 8b340c91c73 |
14 | 43227660750 |
15 | 21bd583c50a |
hex | 11c92023802 |
1222220331010 has 64 divisors (see below), whose sum is σ = 2527525638144. Its totient is φ = 416845195200.
The previous prime is 1222220331001. The next prime is 1222220331011. The reversal of 1222220331010 is 101330222221.
It is not an unprimeable number, because it can be changed into a prime (1222220331011) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10631899 + ... + 10746241.
It is an arithmetic number, because the mean of its divisors is an integer number (39492588096).
Almost surely, 21222220331010 is an apocalyptic number.
1222220331010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1222220331010 is an abundant number, since it is smaller than the sum of its proper divisors (1305305307134).
1222220331010 is a wasteful number, since it uses less digits than its factorization.
1222220331010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 115159.
The product of its (nonzero) digits is 288, while the sum is 19.
Adding to 1222220331010 its reverse (101330222221), we get a palindrome (1323550553231).
The spelling of 1222220331010 in words is "one trillion, two hundred twenty-two billion, two hundred twenty million, three hundred thirty-one thousand, ten".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.081 sec. • engine limits •