Base | Representation |
---|---|
bin | 1100110100010100010… |
… | …0110001011100101000 |
3 | 210001101021022100020121 |
4 | 3031011010301130220 |
5 | 12101433231223422 |
6 | 245054241333024 |
7 | 21623546624452 |
oct | 3150504613450 |
9 | 701337270217 |
10 | 220202211112 |
11 | 85429453444 |
12 | 36815337174 |
13 | 179c3876650 |
14 | a92d1a32d2 |
15 | 5adbd348c7 |
hex | 3345131728 |
220202211112 has 32 divisors (see below), whose sum is σ = 449041468680. Its totient is φ = 100625529600.
The previous prime is 220202211109. The next prime is 220202211113. The reversal of 220202211112 is 211112202022.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 132850044196 + 87352166916 = 364486^2 + 295554^2 .
It is a super-2 number, since 2×2202022111122 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (220202211113) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10471323 + ... + 10492330.
Almost surely, 2220202211112 is an apocalyptic number.
It is an amenable number.
220202211112 is an abundant number, since it is smaller than the sum of its proper divisors (228839257568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220202211112 is a wasteful number, since it uses less digits than its factorization.
220202211112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20963773 (or 20963769 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 220202211112 its reverse (211112202022), we get a palindrome (431314413134).
The spelling of 220202211112 in words is "two hundred twenty billion, two hundred two million, two hundred eleven thousand, one hundred twelve".
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