Base | Representation |
---|---|
bin | 1100001110010110110… |
… | …0100101010110101100 |
3 | 202002002002211001201101 |
4 | 3003211230211112230 |
5 | 11420101044200022 |
6 | 240251144052444 |
7 | 21113203252651 |
oct | 3034554452654 |
9 | 662062731641 |
10 | 210012100012 |
11 | 8107a3a0120 |
12 | 34850764124 |
13 | 16a5b685000 |
14 | a243ab3c28 |
15 | 56e2422627 |
hex | 30e5b255ac |
210012100012 has 96 divisors (see below), whose sum is σ = 438825199680. Its totient is φ = 87204648960.
The previous prime is 210012100003. The next prime is 210012100019. The reversal of 210012100012 is 210001210012.
210012100012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (210012100019) by changing a digit.
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, 9365598 + ... + 9387994.
It is an arithmetic number, because the mean of its divisors is an integer number (4571095830).
Almost surely, 2210012100012 is an apocalyptic number.
210012100012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
210012100012 is an abundant number, since it is smaller than the sum of its proper divisors (228813099668).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
210012100012 is a wasteful number, since it uses less digits than its factorization.
210012100012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22548 (or 22520 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 10.
Adding to 210012100012 its reverse (210001210012), we get a palindrome (420013310024).
Subtracting from 210012100012 its reverse (210001210012), we obtain a square (10890000 = 33002).
The spelling of 210012100012 in words is "two hundred ten billion, twelve million, one hundred thousand, twelve".
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