Base | Representation |
---|---|
bin | 11100001001110110… |
… | …101100010010110110 |
3 | 2220000210021100122200 |
4 | 130021312230102312 |
5 | 443402401300342 |
6 | 21515412005330 |
7 | 2120062431504 |
oct | 341166542266 |
9 | 86023240580 |
10 | 30230103222 |
11 | 11903117a90 |
12 | 5a38000846 |
13 | 2b09c5c357 |
14 | 166ac25674 |
15 | bbde2c94c |
hex | 709dac4b6 |
30230103222 has 96 divisors (see below), whose sum is σ = 78945684480. Its totient is φ = 8246895360.
The previous prime is 30230103221. The next prime is 30230103401. The reversal of 30230103222 is 22230103203.
It is a happy number.
30230103222 is a `hidden beast` number, since 302 + 30 + 10 + 322 + 2 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 30230103195 and 30230103204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30230103221) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 117822 + ... + 272657.
It is an arithmetic number, because the mean of its divisors is an integer number (822350880).
Almost surely, 230230103222 is an apocalyptic number.
30230103222 is an abundant number, since it is smaller than the sum of its proper divisors (48715581258).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30230103222 is a wasteful number, since it uses less digits than its factorization.
30230103222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 390538 (or 390535 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
Adding to 30230103222 its reverse (22230103203), we get a palindrome (52460206425).
The spelling of 30230103222 in words is "thirty billion, two hundred thirty million, one hundred three thousand, two hundred twenty-two".
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