Base | Representation |
---|---|
bin | 111100110011110… |
… | …101001011011010 |
3 | 2122002201112220110 |
4 | 330303311023122 |
5 | 4042134020442 |
6 | 245122505150 |
7 | 34165504455 |
oct | 7463651332 |
9 | 2562645813 |
10 | 1020220122 |
11 | 483984529 |
12 | 2458051b6 |
13 | 13349985c |
14 | 996d249c |
15 | 5e87769c |
hex | 3ccf52da |
1020220122 has 32 divisors (see below), whose sum is σ = 2079350784. Its totient is φ = 333630000.
The previous prime is 1020220111. The next prime is 1020220127. The reversal of 1020220122 is 2210220201.
It is a junction number, because it is equal to n+sod(n) for n = 1020220098 and 1020220107.
It is not an unprimeable number, because it can be changed into a prime (1020220127) 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, 95847 + ... + 105957.
It is an arithmetic number, because the mean of its divisors is an integer number (64979712).
Almost surely, 21020220122 is an apocalyptic number.
1020220122 is an abundant number, since it is smaller than the sum of its proper divisors (1059130662).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1020220122 is a wasteful number, since it uses less digits than its factorization.
1020220122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10434.
The product of its (nonzero) digits is 32, while the sum is 12.
The square root of 1020220122 is about 31940.8848030232. The cubic root of 1020220122 is about 1006.6951160525.
Adding to 1020220122 its reverse (2210220201), we get a palindrome (3230440323).
The spelling of 1020220122 in words is "one billion, twenty million, two hundred twenty thousand, one hundred twenty-two".
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