Base | Representation |
---|---|
bin | 10010110110101011… |
… | …00000111100100100 |
3 | 222010102220011212012 |
4 | 21123111200330210 |
5 | 131212302114340 |
6 | 4352232013352 |
7 | 505561066163 |
oct | 113325407444 |
9 | 28112804765 |
10 | 10122301220 |
11 | 43248587a9 |
12 | 1b65b31258 |
13 | c5413b965 |
14 | 6c04bb3da |
15 | 3e39ba565 |
hex | 25b560f24 |
10122301220 has 12 divisors (see below), whose sum is σ = 21256832604. Its totient is φ = 4048920480.
The previous prime is 10122301199. The next prime is 10122301223. The reversal of 10122301220 is 2210322101.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 6873073216 + 3249228004 = 82904^2 + 57002^2 .
It is a junction number, because it is equal to n+sod(n) for n = 10122301195 and 10122301204.
It is not an unprimeable number, because it can be changed into a prime (10122301223) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253057511 + ... + 253057550.
It is an arithmetic number, because the mean of its divisors is an integer number (1771402717).
Almost surely, 210122301220 is an apocalyptic number.
10122301220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
10122301220 is an abundant number, since it is smaller than the sum of its proper divisors (11134531384).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10122301220 is a wasteful number, since it uses less digits than its factorization.
10122301220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 506115070 (or 506115068 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 14.
Adding to 10122301220 its reverse (2210322101), we get a palindrome (12332623321).
The spelling of 10122301220 in words is "ten billion, one hundred twenty-two million, three hundred one thousand, two hundred twenty".
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