Base | Representation |
---|---|
bin | 100100011010111… |
… | …1111001100001010 |
3 | 10011011121201111210 |
4 | 1020311333030022 |
5 | 10000330041020 |
6 | 321134033550 |
7 | 42166531530 |
oct | 11065771412 |
9 | 3134551453 |
10 | 1222112010 |
11 | 577939929 |
12 | 2a13488b6 |
13 | 166267002 |
14 | b8448150 |
15 | 724573e0 |
hex | 48d7f30a |
1222112010 has 64 divisors (see below), whose sum is σ = 3433860864. Its totient is φ = 272524800.
The previous prime is 1222111991. The next prime is 1222112057. The reversal of 1222112010 is 102112221.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62361 + ... + 79580.
It is an arithmetic number, because the mean of its divisors is an integer number (53654076).
Almost surely, 21222112010 is an apocalyptic number.
1222112010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1222112010 is an abundant number, since it is smaller than the sum of its proper divisors (2211748854).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1222112010 is a wasteful number, since it uses less digits than its factorization.
1222112010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 141999.
The product of its (nonzero) digits is 16, while the sum is 12.
The square root of 1222112010 is about 34958.7186550079. The cubic root of 1222112010 is about 1069.1459718066.
Adding to 1222112010 its reverse (102112221), we get a palindrome (1324224231).
The spelling of 1222112010 in words is "one billion, two hundred twenty-two million, one hundred twelve thousand, ten".
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