Base | Representation |
---|---|
bin | 1100111011001000010… |
… | …1001000001111100110 |
3 | 210020002201112111211021 |
4 | 3032302011020033212 |
5 | 12114204420133110 |
6 | 245555531201354 |
7 | 22020064353010 |
oct | 3166205101746 |
9 | 706081474737 |
10 | 222031021030 |
11 | 861877a53a5 |
12 | 370458a625a |
13 | 17c25712ab0 |
14 | aa640191b0 |
15 | 5b9767e2da |
hex | 33b21483e6 |
222031021030 has 64 divisors (see below), whose sum is σ = 491950061568. Its totient is φ = 70259736960.
The previous prime is 222031021027. The next prime is 222031021039. The reversal of 222031021030 is 30120130222.
It is a junction number, because it is equal to n+sod(n) for n = 222031020995 and 222031021013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (222031021039) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10457125 + ... + 10478335.
It is an arithmetic number, because the mean of its divisors is an integer number (7686719712).
Almost surely, 2222031021030 is an apocalyptic number.
222031021030 is an abundant number, since it is smaller than the sum of its proper divisors (269919040538).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
222031021030 is a wasteful number, since it uses less digits than its factorization.
222031021030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32741.
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 222031021030 its reverse (30120130222), we get a palindrome (252151151252).
The spelling of 222031021030 in words is "two hundred twenty-two billion, thirty-one million, twenty-one thousand, thirty".
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