Base | Representation |
---|---|
bin | 10110010111101110… |
… | …10100011110001011 |
3 | 1011000000022221111110 |
4 | 23023313110132023 |
5 | 144044103224321 |
6 | 5303432301403 |
7 | 603424053015 |
oct | 131367243613 |
9 | 34000287443 |
10 | 12010211211 |
11 | 51034a6499 |
12 | 23b2241863 |
13 | 11952cb56b |
14 | 81d1191b5 |
15 | 4a45db176 |
hex | 2cbdd478b |
12010211211 has 16 divisors (see below), whose sum is σ = 16450215200. Its totient is φ = 7788607488.
The previous prime is 12010211179. The next prime is 12010211219. The reversal of 12010211211 is 11211201021.
It is not a de Polignac number, because 12010211211 - 25 = 12010211179 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12010211219) 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, 608445 + ... + 627873.
It is an arithmetic number, because the mean of its divisors is an integer number (1028138450).
Almost surely, 212010211211 is an apocalyptic number.
12010211211 is a deficient number, since it is larger than the sum of its proper divisors (4440003989).
12010211211 is a wasteful number, since it uses less digits than its factorization.
12010211211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25038.
The product of its (nonzero) digits is 8, while the sum is 12.
Adding to 12010211211 its reverse (11211201021), we get a palindrome (23221412232).
The spelling of 12010211211 in words is "twelve billion, ten million, two hundred eleven thousand, two hundred eleven".
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