Base | Representation |
---|---|
bin | 100100010111001… |
… | …0100100001000010 |
3 | 10011000211121120202 |
4 | 1020232110201002 |
5 | 4444321232320 |
6 | 321023005202 |
7 | 42143461205 |
oct | 11056244102 |
9 | 3130747522 |
10 | 1220102210 |
11 | 576796938 |
12 | 2a0739802 |
13 | 165a12292 |
14 | b808393c |
15 | 721abb75 |
hex | 48b94842 |
1220102210 has 32 divisors (see below), whose sum is σ = 2324773440. Its totient is φ = 460248768.
The previous prime is 1220102209. The next prime is 1220102237. The reversal of 1220102210 is 122010221.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 1220102191 and 1220102200.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36452 + ... + 61391.
It is an arithmetic number, because the mean of its divisors is an integer number (72649170).
Almost surely, 21220102210 is an apocalyptic number.
1220102210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1220102210 is a deficient number, since it is larger than the sum of its proper divisors (1104671230).
1220102210 is a wasteful number, since it uses less digits than its factorization.
1220102210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 97922.
The product of its (nonzero) digits is 16, while the sum is 11.
The square root of 1220102210 is about 34929.9614943962. The cubic root of 1220102210 is about 1068.5595693221.
Adding to 1220102210 its reverse (122010221), we get a palindrome (1342112431).
The spelling of 1220102210 in words is "one billion, two hundred twenty million, one hundred two thousand, two hundred ten".
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