Base | Representation |
---|---|
bin | 111000111010001101… |
… | …0111110011001100000 |
3 | 102200110012000201221211 |
4 | 1301310122332121200 |
5 | 4000242323001142 |
6 | 132051001555504 |
7 | 11554351342402 |
oct | 1616432763140 |
9 | 380405021854 |
10 | 122212312672 |
11 | 479147343aa |
12 | 1b8287a5b94 |
13 | b6a863a118 |
14 | 5cb50aab72 |
15 | 32a4305917 |
hex | 1c746be660 |
122212312672 has 24 divisors (see below), whose sum is σ = 240746385600. Its totient is φ = 61070373504.
The previous prime is 122212312631. The next prime is 122212312679. The reversal of 122212312672 is 276213212221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122212312679) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1062672 + ... + 1172047.
It is an arithmetic number, because the mean of its divisors is an integer number (10031099400).
Almost surely, 2122212312672 is an apocalyptic number.
It is an amenable number.
122212312672 is a deficient number, since it is larger than the sum of its proper divisors (118534072928).
122212312672 is a wasteful number, since it uses less digits than its factorization.
122212312672 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2236438 (or 2236430 counting only the distinct ones).
The product of its digits is 8064, while the sum is 31.
Adding to 122212312672 its reverse (276213212221), we get a palindrome (398425524893).
The spelling of 122212312672 in words is "one hundred twenty-two billion, two hundred twelve million, three hundred twelve thousand, six hundred seventy-two".
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