Base | Representation |
---|---|
bin | 10100101100011010… |
… | …111101101001011000 |
3 | 2010100120001010222100 |
4 | 110230122331221120 |
5 | 331001321232412 |
6 | 14112513523400 |
7 | 1414430516106 |
oct | 245432755130 |
9 | 63316033870 |
10 | 22220102232 |
11 | 9472739759 |
12 | 4381573560 |
13 | 21316270b3 |
14 | 110b0b6c76 |
15 | 8a0b08edc |
hex | 52c6bda58 |
22220102232 has 24 divisors (see below), whose sum is σ = 60179443740. Its totient is φ = 7406700720.
The previous prime is 22220102207. The next prime is 22220102291. The reversal of 22220102232 is 23220102222.
It is a tau number, because it is divible by the number of its divisors (24).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 154306194 + ... + 154306337.
Almost surely, 222220102232 is an apocalyptic number.
It is an amenable number.
22220102232 is an abundant number, since it is smaller than the sum of its proper divisors (37959341508).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22220102232 is a wasteful number, since it uses less digits than its factorization.
22220102232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 308612543 (or 308612536 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 18.
Adding to 22220102232 its reverse (23220102222), we get a palindrome (45440204454).
The spelling of 22220102232 in words is "twenty-two billion, two hundred twenty million, one hundred two thousand, two hundred thirty-two".
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