Base | Representation |
---|---|
bin | 10001100111000110001… |
… | …000110001110010001011 |
3 | 11021200202121121211222000 |
4 | 101213012020301302023 |
5 | 124312002230000021 |
6 | 2323543544202043 |
7 | 153302063161635 |
oct | 21470610616213 |
9 | 4250677554860 |
10 | 1210210000011 |
11 | 427279aa4231 |
12 | 176668a69323 |
13 | 8a17895102c |
14 | 42808513a55 |
15 | 2173122ab26 |
hex | 119c6231c8b |
1210210000011 has 16 divisors (see below), whose sum is σ = 1795181884800. Its totient is φ = 805781485224.
The previous prime is 1210210000009. The next prime is 1210210000063. The reversal of 1210210000011 is 1100000120121.
It is a happy number.
It is not a de Polignac number, because 1210210000011 - 21 = 1210210000009 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a junction number, because it is equal to n+sod(n) for n = 1210209999948 and 1210210000002.
It is not an unprimeable number, because it can be changed into a prime (1210214000011) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28455621 + ... + 28498118.
It is an arithmetic number, because the mean of its divisors is an integer number (112198867800).
Almost surely, 21210210000011 is an apocalyptic number.
1210210000011 is a deficient number, since it is larger than the sum of its proper divisors (584971884789).
1210210000011 is an equidigital number, since it uses as much as digits as its factorization.
1210210000011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56954535 (or 56954529 counting only the distinct ones).
The product of its (nonzero) digits is 4, while the sum is 9.
Adding to 1210210000011 its reverse (1100000120121), we get a palindrome (2310210120132).
The spelling of 1210210000011 in words is "one trillion, two hundred ten billion, two hundred ten million, eleven", and thus it is an aban number.
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