Base | Representation |
---|---|
bin | 11100001001010000… |
… | …001111000111001110 |
3 | 2220000002022012010022 |
4 | 130021100033013032 |
5 | 443342311202342 |
6 | 21514411542142 |
7 | 2116610644025 |
oct | 341120170716 |
9 | 86002265108 |
10 | 30220022222 |
11 | 118a8461a85 |
12 | 5a3475a952 |
13 | 2b07b3c970 |
14 | 166975d8bc |
15 | bbd0da9d2 |
hex | 70940f1ce |
30220022222 has 32 divisors (see below), whose sum is σ = 52190453952. Its totient is φ = 12999780864.
The previous prime is 30220022221. The next prime is 30220022243. The reversal of 30220022222 is 22222002203.
It is a Harshad number since it is a multiple of its sum of digits (17).
It is a self number, because there is not a number n which added to its sum of digits gives 30220022222.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30220022221) 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, 286373 + ... + 377424.
It is an arithmetic number, because the mean of its divisors is an integer number (1630951686).
Almost surely, 230220022222 is an apocalyptic number.
30220022222 is a deficient number, since it is larger than the sum of its proper divisors (21970431730).
30220022222 is a wasteful number, since it uses less digits than its factorization.
30220022222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 663932.
The product of its (nonzero) digits is 384, while the sum is 17.
Adding to 30220022222 its reverse (22222002203), we get a palindrome (52442024425).
The spelling of 30220022222 in words is "thirty billion, two hundred twenty million, twenty-two thousand, two hundred twenty-two".
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