Base | Representation |
---|---|
bin | 111001011000010011… |
… | …1001000010111101001 |
3 | 102210001120011212221010 |
4 | 1302300213020113221 |
5 | 4004324331212301 |
6 | 132335113534133 |
7 | 11621362561560 |
oct | 1626047102751 |
9 | 383046155833 |
10 | 123222132201 |
11 | 482927547a3 |
12 | 1ba6aa14349 |
13 | b80990497c |
14 | 5d6d252bd7 |
15 | 3312cc65d6 |
hex | 1cb09c85e9 |
123222132201 has 16 divisors (see below), whose sum is σ = 197649536000. Its totient is φ = 66706717968.
The previous prime is 123222132199. The next prime is 123222132233. The reversal of 123222132201 is 102231222321.
It is not a de Polignac number, because 123222132201 - 21 = 123222132199 is a prime.
It is a super-2 number, since 2×1232221322012 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is not an unprimeable number, because it can be changed into a prime (123222132251) 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, 154413301 + ... + 154414098.
It is an arithmetic number, because the mean of its divisors is an integer number (12353096000).
Almost surely, 2123222132201 is an apocalyptic number.
It is an amenable number.
123222132201 is a deficient number, since it is larger than the sum of its proper divisors (74427403799).
123222132201 is a wasteful number, since it uses less digits than its factorization.
123222132201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 308827428.
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 123222132201 its reverse (102231222321), we get a palindrome (225453354522).
The spelling of 123222132201 in words is "one hundred twenty-three billion, two hundred twenty-two million, one hundred thirty-two thousand, two hundred one".
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