Base | Representation |
---|---|
bin | 11100000010110100… |
… | …100010111100011010 |
3 | 2212201120020011211111 |
4 | 130002310202330122 |
5 | 443132144200442 |
6 | 21455554450534 |
7 | 2114130425236 |
oct | 340264427432 |
9 | 85646204744 |
10 | 30112100122 |
11 | 1185254a565 |
12 | 5a04593a4a |
13 | 2abb684330 |
14 | 16592a95c6 |
15 | bb38bdb17 |
hex | 702d22f1a |
30112100122 has 32 divisors (see below), whose sum is σ = 48784821120. Its totient is φ = 13857341760.
The previous prime is 30112100101. The next prime is 30112100129. The reversal of 30112100122 is 22100121103.
It is a Harshad number since it is a multiple of its sum of digits (13).
It is not an unprimeable number, because it can be changed into a prime (30112100129) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21803872 + ... + 21805252.
It is an arithmetic number, because the mean of its divisors is an integer number (1524525660).
Almost surely, 230112100122 is an apocalyptic number.
30112100122 is a deficient number, since it is larger than the sum of its proper divisors (18672720998).
30112100122 is a wasteful number, since it uses less digits than its factorization.
30112100122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3238.
The product of its (nonzero) digits is 24, while the sum is 13.
Adding to 30112100122 its reverse (22100121103), we get a palindrome (52212221225).
The spelling of 30112100122 in words is "thirty billion, one hundred twelve million, one hundred thousand, one hundred twenty-two".
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