Base | Representation |
---|---|
bin | 10110011011010100… |
… | …01011010000011110 |
3 | 1011002002222122000220 |
4 | 23031222023100132 |
5 | 144124310220110 |
6 | 5310425502210 |
7 | 604241013564 |
oct | 131552132036 |
9 | 34062878026 |
10 | 12040320030 |
11 | 51194a0712 |
12 | 2400341966 |
13 | 119b610c2b |
14 | 823115a34 |
15 | 4a7087370 |
hex | 2cda8b41e |
12040320030 has 32 divisors (see below), whose sum is σ = 28918771200. Its totient is φ = 3208307232.
The previous prime is 12040320029. The next prime is 12040320031. The reversal of 12040320030 is 3002304021.
12040320030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (12040320029) and next prime (12040320031).
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a junction number, because it is equal to n+sod(n) for n = 12040319991 and 12040320009.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12040320031) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 112570 + ... + 191709.
It is an arithmetic number, because the mean of its divisors is an integer number (903711600).
Almost surely, 212040320030 is an apocalyptic number.
12040320030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12040320030 is an abundant number, since it is smaller than the sum of its proper divisors (16878451170).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12040320030 is a wasteful number, since it uses less digits than its factorization.
12040320030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 305608.
The product of its (nonzero) digits is 144, while the sum is 15.
Adding to 12040320030 its reverse (3002304021), we get a palindrome (15042624051).
The spelling of 12040320030 in words is "twelve billion, forty million, three hundred twenty thousand, thirty".
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