Base | Representation |
---|---|
bin | 1010000110110000000111… |
… | …00010010100111111011110 |
3 | 2220200102102201200002111202 |
4 | 11003120003202110333132 |
5 | 10403042101322320110 |
6 | 115132425203315502 |
7 | 4452334221256010 |
oct | 503300342247736 |
9 | 86612381602452 |
10 | 22222220120030 |
11 | 7098432a20087 |
12 | 25aa99467bb92 |
13 | c52714499498 |
14 | 56b7bdcac1b0 |
15 | 2880b6de70a5 |
hex | 143603894fde |
22222220120030 has 64 divisors (see below), whose sum is σ = 46330624512000. Its totient is φ = 7516480053888.
The previous prime is 22222220120029. The next prime is 22222220120069. The reversal of 22222220120030 is 3002102222222.
It is a super-2 number, since 2×222222201200302 (a number of 27 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 22222220119984 and 22222220120011.
It is a congruent number.
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, 5161511 + ... + 8431229.
It is an arithmetic number, because the mean of its divisors is an integer number (723916008000).
Almost surely, 222222220120030 is an apocalyptic number.
22222220120030 is an abundant number, since it is smaller than the sum of its proper divisors (24108404391970).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22222220120030 is a wasteful number, since it uses less digits than its factorization.
22222220120030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3271041.
The product of its (nonzero) digits is 768, while the sum is 20.
Adding to 22222220120030 its reverse (3002102222222), we get a palindrome (25224322342252).
The spelling of 22222220120030 in words is "twenty-two trillion, two hundred twenty-two billion, two hundred twenty million, one hundred twenty thousand, thirty".
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