Base | Representation |
---|---|
bin | 11011111100110011… |
… | …010110010101010110 |
3 | 2212110112020000022012 |
4 | 123330303112111112 |
5 | 442430321414110 |
6 | 21441550304222 |
7 | 2111463223340 |
oct | 337463262526 |
9 | 85415200265 |
10 | 30011123030 |
11 | 11800550a19 |
12 | 59967b8072 |
13 | 2aa378ab85 |
14 | 1649b02290 |
15 | ba9ac4905 |
hex | 6fccd6556 |
30011123030 has 16 divisors (see below), whose sum is σ = 61737167520. Its totient is φ = 10289527872.
The previous prime is 30011122979. The next prime is 30011123039. The reversal of 30011123030 is 3032111003.
It is a Harshad number since it is a multiple of its sum of digits (14).
It is a junction number, because it is equal to n+sod(n) for n = 30011122996 and 30011123014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30011123039) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214365095 + ... + 214365234.
It is an arithmetic number, because the mean of its divisors is an integer number (3858572970).
Almost surely, 230011123030 is an apocalyptic number.
30011123030 is an abundant number, since it is smaller than the sum of its proper divisors (31726044490).
30011123030 is a wasteful number, since it uses less digits than its factorization.
30011123030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 428730343.
The product of its (nonzero) digits is 54, while the sum is 14.
Adding to 30011123030 its reverse (3032111003), we get a palindrome (33043234033).
The spelling of 30011123030 in words is "thirty billion, eleven million, one hundred twenty-three thousand, thirty".
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