Base | Representation |
---|---|
bin | 1110100100010… |
… | …10011100110100 |
3 | 22111221111111121 |
4 | 13102022130310 |
5 | 222240430113 |
6 | 20043113324 |
7 | 3012461533 |
oct | 722123464 |
9 | 274844447 |
10 | 122201908 |
11 | 62a86114 |
12 | 34b12844 |
13 | 1c41822a |
14 | 1233031a |
15 | aadce8d |
hex | 748a734 |
122201908 has 6 divisors (see below), whose sum is σ = 213853346. Its totient is φ = 61100952.
The previous prime is 122201897. The next prime is 122201923. The reversal of 122201908 is 809102221.
It can be written as a sum of positive squares in only one way, i.e., 118113424 + 4088484 = 10868^2 + 2022^2 .
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15275235 + ... + 15275242.
Almost surely, 2122201908 is an apocalyptic number.
It is an amenable number.
122201908 is a deficient number, since it is larger than the sum of its proper divisors (91651438).
122201908 is a wasteful number, since it uses less digits than its factorization.
122201908 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30550481 (or 30550479 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 25.
The square root of 122201908 is about 11054.4971844042. The cubic root of 122201908 is about 496.2410216489.
The spelling of 122201908 in words is "one hundred twenty-two million, two hundred one thousand, nine hundred eight".
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