Base | Representation |
---|---|
bin | 10110011010010101… |
… | …10100011010111110 |
3 | 1011001112112000022110 |
4 | 23031022310122332 |
5 | 144120204200110 |
6 | 5305533354450 |
7 | 604111106556 |
oct | 131512643276 |
9 | 34045460273 |
10 | 12032100030 |
11 | 5114896925 |
12 | 23b9638a26 |
13 | 11999c3622 |
14 | 821db6166 |
15 | 4a64b1a20 |
hex | 2cd2b46be |
12032100030 has 64 divisors (see below), whose sum is σ = 30612479040. Its totient is φ = 3016187904.
The previous prime is 12032100019. The next prime is 12032100089. The reversal of 12032100030 is 3000123021.
It is a happy number.
It is a super-2 number, since 2×120321000302 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 12032099979 and 12032100015.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 423306 + ... + 450834.
It is an arithmetic number, because the mean of its divisors is an integer number (478319985).
Almost surely, 212032100030 is an apocalyptic number.
12032100030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 12032100030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15306239520).
12032100030 is an abundant number, since it is smaller than the sum of its proper divisors (18580379010).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12032100030 is a wasteful number, since it uses less digits than its factorization.
12032100030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28413.
The product of its (nonzero) digits is 36, while the sum is 12.
Adding to 12032100030 its reverse (3000123021), we get a palindrome (15032223051).
The spelling of 12032100030 in words is "twelve billion, thirty-two million, one hundred thousand, thirty".
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