Base | Representation |
---|---|
bin | 10001110000011010111… |
… | …010010011010101001010 |
3 | 11022122121101100110201201 |
4 | 101300122322103111022 |
5 | 124443003341000320 |
6 | 2332321244334414 |
7 | 154105146410503 |
oct | 21603272232512 |
9 | 4278541313651 |
10 | 1220222203210 |
11 | 43054769372a |
12 | 1785a1b4440a |
13 | 8b0b3021b1a |
14 | 430b8131baa |
15 | 21b1a1e970a |
hex | 11c1ae9354a |
1220222203210 has 16 divisors (see below), whose sum is σ = 2291895616896. Its totient is φ = 466867625488.
The previous prime is 1220222203183. The next prime is 1220222203219. The reversal of 1220222203210 is 123022220221.
It is not an unprimeable number, because it can be changed into a prime (1220222203219) 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 7 ways as a sum of consecutive naturals, for example, 2652656734 + ... + 2652657193.
It is an arithmetic number, because the mean of its divisors is an integer number (143243476056).
Almost surely, 21220222203210 is an apocalyptic number.
1220222203210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1220222203210 is a deficient number, since it is larger than the sum of its proper divisors (1071673413686).
1220222203210 is a wasteful number, since it uses less digits than its factorization.
1220222203210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5305313957.
The product of its (nonzero) digits is 384, while the sum is 19.
Adding to 1220222203210 its reverse (123022220221), we get a palindrome (1343244423431).
It can be divided in two parts, 122022 and 2203210, that added together give a palindrome (2325232).
The spelling of 1220222203210 in words is "one trillion, two hundred twenty billion, two hundred twenty-two million, two hundred three thousand, two hundred ten".
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