Base | Representation |
---|---|
bin | 10110100101001101… |
… | …01110100010001110 |
3 | 1011021220010112221022 |
4 | 23102212232202032 |
5 | 144312031131110 |
6 | 5322552234142 |
7 | 606266236610 |
oct | 132246564216 |
9 | 34256115838 |
10 | 12123302030 |
11 | 5161319284 |
12 | 242409b952 |
13 | 11b28766c8 |
14 | 830156db0 |
15 | 4ae4c9755 |
hex | 2d29ae88e |
12123302030 has 32 divisors (see below), whose sum is σ = 25013416896. Its totient is φ = 4144218624.
The previous prime is 12123302011. The next prime is 12123302101. The reversal of 12123302030 is 3020332121.
12123302030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×121233020302 (a number of 21 digits) contains 22 as substring.
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 15 ways as a sum of consecutive naturals, for example, 233369 + ... + 280548.
It is an arithmetic number, because the mean of its divisors is an integer number (781669278).
Almost surely, 212123302030 is an apocalyptic number.
12123302030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12123302030 is an abundant number, since it is smaller than the sum of its proper divisors (12890114866).
12123302030 is a wasteful number, since it uses less digits than its factorization.
12123302030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 514268.
The product of its (nonzero) digits is 216, while the sum is 17.
Adding to 12123302030 its reverse (3020332121), we get a palindrome (15143634151).
The spelling of 12123302030 in words is "twelve billion, one hundred twenty-three million, three hundred two thousand, thirty".
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