Base | Representation |
---|---|
bin | 1100111011011111111… |
… | …1110111000011110100 |
3 | 210020100122100120101102 |
4 | 3032313333313003310 |
5 | 12114410324200340 |
6 | 250013435145232 |
7 | 22022411265320 |
oct | 3166777670364 |
9 | 706318316342 |
10 | 222130303220 |
11 | 862288465a1 |
12 | 37072ba5218 |
13 | 17c40164957 |
14 | aa732a0980 |
15 | 5ba1241215 |
hex | 33b7ff70f4 |
222130303220 has 96 divisors (see below), whose sum is σ = 548691978240. Its totient is φ = 73965386880.
The previous prime is 222130303207. The next prime is 222130303231. The reversal of 222130303220 is 22303031222.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 222130303192 and 222130303201.
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, 499211 + ... + 832749.
It is an arithmetic number, because the mean of its divisors is an integer number (5715541440).
Almost surely, 2222130303220 is an apocalyptic number.
222130303220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 222130303220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274345989120).
222130303220 is an abundant number, since it is smaller than the sum of its proper divisors (326561675020).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
222130303220 is a wasteful number, since it uses less digits than its factorization.
222130303220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 333693 (or 333691 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 20.
Adding to 222130303220 its reverse (22303031222), we get a palindrome (244433334442).
The spelling of 222130303220 in words is "two hundred twenty-two billion, one hundred thirty million, three hundred three thousand, two hundred twenty".
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