| Base | Representation |
|---|---|
| bin | 11100000011010111… |
| … | …000000011111001110 |
| 3 | 2212202012020011000200 |
| 4 | 130003113000133032 |
| 5 | 443142002242110 |
| 6 | 21500520234330 |
| 7 | 2114300262201 |
| oct | 340327003716 |
| 9 | 85665204020 |
| 10 | 30121134030 |
| 11 | 1185765a8a9 |
| 12 | 5a0760b9a6 |
| 13 | 2ac04c8240 |
| 14 | 165a57b938 |
| 15 | bb45a56c0 |
| hex | 7035c07ce |
30121134030 has 96 divisors (see below), whose sum is σ = 84387846816. Its totient is φ = 7410154752.
The previous prime is 30121134013. The next prime is 30121134041. The reversal of 30121134030 is 3043112103.
30121134030 is a `hidden beast` number, since 301 + 21 + 1 + 340 + 3 + 0 = 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 = 30121133994 and 30121134012.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2337084 + ... + 2349936.
It is an arithmetic number, because the mean of its divisors is an integer number (879040071).
Almost surely, 230121134030 is an apocalyptic number.
30121134030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 30121134030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42193923408).
30121134030 is an abundant number, since it is smaller than the sum of its proper divisors (54266712786).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30121134030 is a wasteful number, since it uses less digits than its factorization.
30121134030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14882 (or 14879 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 30121134030 its reverse (3043112103), we get a palindrome (33164246133).
It can be divided in two parts, 301211 and 34030, that added together give a square (335241 = 5792).
The spelling of 30121134030 in words is "thirty billion, one hundred twenty-one million, one hundred thirty-four thousand, thirty".
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