Base | Representation |
---|---|
bin | 1110100100011… |
… | …10111010101010 |
3 | 22111222102121011 |
4 | 13102032322222 |
5 | 222242021302 |
6 | 20043334134 |
7 | 3012566056 |
oct | 722167252 |
9 | 274872534 |
10 | 122220202 |
11 | 62a98935 |
12 | 34b2134a |
13 | 1c423660 |
14 | 12336c66 |
15 | aae35d7 |
hex | 748eeaa |
122220202 has 8 divisors (see below), whose sum is σ = 197432676. Its totient is φ = 56409312.
The previous prime is 122220199. The next prime is 122220209. The reversal of 122220202 is 202022221.
It can be written as a sum of positive squares in 2 ways, for example, as 121198081 + 1022121 = 11009^2 + 1011^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Harshad number since it is a multiple of its sum of digits (13).
It is not an unprimeable number, because it can be changed into a prime (122220209) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2350363 + ... + 2350414.
Almost surely, 2122220202 is an apocalyptic number.
122220202 is a deficient number, since it is larger than the sum of its proper divisors (75212474).
122220202 is a wasteful number, since it uses less digits than its factorization.
122220202 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4700792.
The product of its (nonzero) digits is 64, while the sum is 13.
The square root of 122220202 is about 11055.3245994860. The cubic root of 122220202 is about 496.2657833471.
Adding to 122220202 its reverse (202022221), we get a palindrome (324242423).
The spelling of 122220202 in words is "one hundred twenty-two million, two hundred twenty thousand, two hundred two".
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