Base | Representation |
---|---|
bin | 1110100010111… |
… | …10000101110000 |
3 | 22111121021020222 |
4 | 13101132011300 |
5 | 222214121313 |
6 | 20035152212 |
7 | 3011104022 |
oct | 721360560 |
9 | 274537228 |
10 | 122020208 |
11 | 62971652 |
12 | 34a45668 |
13 | 1c38360b |
14 | 122c4012 |
15 | aaa4208 |
hex | 745e170 |
122020208 has 20 divisors (see below), whose sum is σ = 236599440. Its totient is φ = 60962304.
The previous prime is 122020193. The next prime is 122020211. The reversal of 122020208 is 802020221.
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 in 3 ways as a sum of consecutive naturals, for example, 27488 + ... + 31616.
It is an arithmetic number, because the mean of its divisors is an integer number (11829972).
Almost surely, 2122020208 is an apocalyptic number.
It is an amenable number.
122020208 is a deficient number, since it is larger than the sum of its proper divisors (114579232).
122020208 is a wasteful number, since it uses less digits than its factorization.
122020208 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5984 (or 5978 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 17.
The square root of 122020208 is about 11046.2757524878. The cubic root of 122020208 is about 495.9949487866.
Adding to 122020208 its reverse (802020221), we get a palindrome (924040429).
The spelling of 122020208 in words is "one hundred twenty-two million, twenty thousand, two hundred eight".
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