Base | Representation |
---|---|
bin | 10110101111110011… |
… | …11111111010000001 |
3 | 1011112002111001220020 |
4 | 23113321333322001 |
5 | 200002313140001 |
6 | 5335450404053 |
7 | 611426220153 |
oct | 132771777201 |
9 | 34462431806 |
10 | 12212240001 |
11 | 51a7544735 |
12 | 2449a30629 |
13 | 11c8116120 |
14 | 83bca8ad3 |
15 | 4b71e6736 |
hex | 2d7e7fe81 |
12212240001 has 16 divisors (see below), whose sum is σ = 17543440320. Its totient is φ = 7511832000.
The previous prime is 12212239997. The next prime is 12212240009. The reversal of 12212240001 is 10004221221.
It is not a de Polignac number, because 12212240001 - 22 = 12212239997 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12212240009) 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, 18235 + ... + 157343.
It is an arithmetic number, because the mean of its divisors is an integer number (1096465020).
Almost surely, 212212240001 is an apocalyptic number.
It is an amenable number.
12212240001 is a deficient number, since it is larger than the sum of its proper divisors (5331200319).
12212240001 is a wasteful number, since it uses less digits than its factorization.
12212240001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 141376.
The product of its (nonzero) digits is 64, while the sum is 15.
Adding to 12212240001 its reverse (10004221221), we get a palindrome (22216461222).
The spelling of 12212240001 in words is "twelve billion, two hundred twelve million, two hundred forty thousand, one".
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