Base | Representation |
---|---|
bin | 11101110000000010010… |
… | …11110110011010011010 |
3 | 10121201112102020002001022 |
4 | 32320001023312122122 |
5 | 113222002324200442 |
6 | 2101334035122442 |
7 | 133565421325646 |
oct | 16700113663232 |
9 | 3551472202038 |
10 | 1022222100122 |
11 | 3645817a96a3 |
12 | 146144143422 |
13 | 7551a142102 |
14 | 376938bdc26 |
15 | 1b8cc6173d2 |
hex | ee012f669a |
1022222100122 has 4 divisors (see below), whose sum is σ = 1533333150186. Its totient is φ = 511111050060.
The previous prime is 1022222100121. The next prime is 1022222100169. The reversal of 1022222100122 is 2210012222201.
It is a happy number.
1022222100122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 621762213361 + 400459886761 = 788519^2 + 632819^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 1022222100122.
It is not an unprimeable number, because it can be changed into a prime (1022222100121) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255555525029 + ... + 255555525032.
Almost surely, 21022222100122 is an apocalyptic number.
1022222100122 is a deficient number, since it is larger than the sum of its proper divisors (511111050064).
1022222100122 is an equidigital number, since it uses as much as digits as its factorization.
1022222100122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 511111050063.
The product of its (nonzero) digits is 128, while the sum is 17.
Adding to 1022222100122 its reverse (2210012222201), we get a palindrome (3232234322323).
The spelling of 1022222100122 in words is "one trillion, twenty-two billion, two hundred twenty-two million, one hundred thousand, one hundred twenty-two".
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