Base | Representation |
---|---|
bin | 11101011101001101001… |
… | …01101001100111101100 |
3 | 10120202102211200001100021 |
4 | 32232212211221213230 |
5 | 113040301210432340 |
6 | 2052542525011524 |
7 | 133060040525650 |
oct | 16564645514754 |
9 | 3522384601307 |
10 | 1012112202220 |
11 | 360263a52779 |
12 | 1441a23b3ba4 |
13 | 74598756bc2 |
14 | 36db4d10a60 |
15 | 1b4d9c9be4a |
hex | eba69699ec |
1012112202220 has 48 divisors (see below), whose sum is σ = 2429294817600. Its totient is φ = 346977679104.
The previous prime is 1012112202209. The next prime is 1012112202259. The reversal of 1012112202220 is 222022112101.
It is a happy number.
It is a super-2 number, since 2×10121122022202 (a number of 25 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1012112202194 and 1012112202203.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1202722 + ... + 1862998.
It is an arithmetic number, because the mean of its divisors is an integer number (50610308700).
Almost surely, 21012112202220 is an apocalyptic number.
1012112202220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1012112202220 is an abundant number, since it is smaller than the sum of its proper divisors (1417182615380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1012112202220 is a wasteful number, since it uses less digits than its factorization.
1012112202220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 671242 (or 671240 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 1012112202220 its reverse (222022112101), we get a palindrome (1234134314321).
The spelling of 1012112202220 in words is "one trillion, twelve billion, one hundred twelve million, two hundred two thousand, two hundred twenty".
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