| Base | Representation |
|---|---|
| bin | 11100000100000001… |
| … | …101001000011000100 |
| 3 | 2212202222020221212100 |
| 4 | 130010001221003010 |
| 5 | 443202332411322 |
| 6 | 21501555552100 |
| 7 | 2114464260624 |
| oct | 340401510304 |
| 9 | 85688227770 |
| 10 | 30132310212 |
| 11 | 118629a3714 |
| 12 | 5a0b2bb630 |
| 13 | 2ac290c274 |
| 14 | 165bc4a884 |
| 15 | bb5561dac |
| hex | 7040690c4 |
30132310212 has 144 divisors (see below), whose sum is σ = 84626785152. Its totient is φ = 8991544320.
The previous prime is 30132310211. The next prime is 30132310213. The reversal of 30132310212 is 21201323103.
30132310212 is a `hidden beast` number, since 301 + 32 + 310 + 21 + 2 = 666.
It is an interprime number because it is at equal distance from previous prime (30132310211) and next prime (30132310213).
It is a super-2 number, since 2×301323102122 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (30132310211) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2541843 + ... + 2553669.
It is an arithmetic number, because the mean of its divisors is an integer number (587686008).
Almost surely, 230132310212 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30132310212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42313392576).
30132310212 is an abundant number, since it is smaller than the sum of its proper divisors (54494474940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30132310212 is a wasteful number, since it uses less digits than its factorization.
30132310212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12058 (or 12053 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 30132310212 its reverse (21201323103), we get a palindrome (51333633315).
The spelling of 30132310212 in words is "thirty billion, one hundred thirty-two million, three hundred ten thousand, two hundred twelve".
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