Base | Representation |
---|---|
bin | 111001010000… |
… | …1100101111011 |
3 | 2002111021110100 |
4 | 1302201211323 |
5 | 30141201021 |
6 | 2551250443 |
7 | 513116505 |
oct | 162414573 |
9 | 62437410 |
10 | 30022011 |
11 | 15a45a88 |
12 | a079a23 |
13 | 62b2006 |
14 | 3db6d75 |
15 | 2980626 |
hex | 1ca197b |
30022011 has 12 divisors (see below), whose sum is σ = 43643392. Its totient is φ = 19886256.
The previous prime is 30022007. The next prime is 30022067. The reversal of 30022011 is 11022003.
It is a happy number.
It is not a de Polignac number, because 30022011 - 22 = 30022007 is a prime.
It is a super-2 number, since 2×300220112 = 1802642288968242, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30021984 and 30022002.
It is not an unprimeable number, because it can be changed into a prime (30022081) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9211 + ... + 12036.
Almost surely, 230022011 is an apocalyptic number.
30022011 is a deficient number, since it is larger than the sum of its proper divisors (13621381).
30022011 is a wasteful number, since it uses less digits than its factorization.
30022011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21410 (or 21407 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 9.
The square root of 30022011 is about 5479.2345268295. The cubic root of 30022011 is about 310.7992245674.
Adding to 30022011 its reverse (11022003), we get a palindrome (41044014).
The spelling of 30022011 in words is "thirty million, twenty-two thousand, eleven".
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