Base | Representation |
---|---|
bin | 111000111010001110… |
… | …1101011011000011010 |
3 | 102200110020100201212222 |
4 | 1301310131223120122 |
5 | 4000243013134320 |
6 | 132051025104042 |
7 | 11554360353200 |
oct | 1616435533032 |
9 | 380406321788 |
10 | 122213021210 |
11 | 47915078775 |
12 | 1b828a88022 |
13 | b6a8827787 |
14 | 5cb5213070 |
15 | 32a43e5825 |
hex | 1c7476b61a |
122213021210 has 48 divisors (see below), whose sum is σ = 255944995560. Its totient is φ = 41894092800.
The previous prime is 122213021207. The next prime is 122213021221. The reversal of 122213021210 is 12120312221.
It can be written as a sum of positive squares in 4 ways, for example, as 63691121641 + 58521899569 = 252371^2 + 241913^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3180110 + ... + 3218310.
Almost surely, 2122213021210 is an apocalyptic number.
122213021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
122213021210 is an abundant number, since it is smaller than the sum of its proper divisors (133731974350).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122213021210 is a wasteful number, since it uses less digits than its factorization.
122213021210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44751 (or 44744 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 17.
Adding to 122213021210 its reverse (12120312221), we get a palindrome (134333333431).
The spelling of 122213021210 in words is "one hundred twenty-two billion, two hundred thirteen million, twenty-one thousand, two hundred ten".
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