Base | Representation |
---|---|
bin | 10100011111010011… |
… | …010101110011011100 |
3 | 2002210012212210202222 |
4 | 110133103111303130 |
5 | 330024000001340 |
6 | 14035012204512 |
7 | 1406115626222 |
oct | 243723256334 |
9 | 62705783688 |
10 | 22000000220 |
11 | 936a476870 |
12 | 431b909738 |
13 | 20c7b52113 |
14 | 10c9b80b12 |
15 | 88b62d8b5 |
hex | 51f4d5cdc |
22000000220 has 48 divisors (see below), whose sum is σ = 53364715488. Its totient is φ = 7529410560.
The previous prime is 22000000199. The next prime is 22000000229. The reversal of 22000000220 is 2200000022.
It is a junction number, because it is equal to n+sod(n) for n = 22000000198 and 22000000207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22000000229) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2937437 + ... + 2944916.
It is an arithmetic number, because the mean of its divisors is an integer number (1111764906).
Almost surely, 222000000220 is an apocalyptic number.
22000000220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
22000000220 is an abundant number, since it is smaller than the sum of its proper divisors (31364715268).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22000000220 is a wasteful number, since it uses less digits than its factorization.
22000000220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5882390 (or 5882388 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 8.
Adding to 22000000220 its reverse (2200000022), we get a palindrome (24200000242).
It can be divided in two parts, 220000002 and 20, that added together give a palindrome (220000022).
The spelling of 22000000220 in words is "twenty-two billion, two hundred twenty", and thus it is an aban number.
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