Base | Representation |
---|---|
bin | 10110100010100100… |
… | …11101000001100011 |
3 | 1011020100120011122210 |
4 | 23101102131001203 |
5 | 144240402211321 |
6 | 5320442533203 |
7 | 605610406146 |
oct | 132122350143 |
9 | 34210504583 |
10 | 12101210211 |
11 | 514a8aa382 |
12 | 2418807203 |
13 | 11ab11011c |
14 | 82b24605d |
15 | 4ac5b3b76 |
hex | 2d149d063 |
12101210211 has 16 divisors (see below), whose sum is σ = 16248390048. Its totient is φ = 8010912000.
The previous prime is 12101210171. The next prime is 12101210221. The reversal of 12101210211 is 11201210121.
It is not a de Polignac number, because 12101210211 - 29 = 12101209699 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12101210221) 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, 288261 + ... + 327561.
It is an arithmetic number, because the mean of its divisors is an integer number (1015524378).
Almost surely, 212101210211 is an apocalyptic number.
12101210211 is a deficient number, since it is larger than the sum of its proper divisors (4147179837).
12101210211 is a wasteful number, since it uses less digits than its factorization.
12101210211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40022.
The product of its (nonzero) digits is 8, while the sum is 12.
Adding to 12101210211 its reverse (11201210121), we get a palindrome (23302420332).
The spelling of 12101210211 in words is "twelve billion, one hundred one million, two hundred ten thousand, two hundred eleven".
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