Base | Representation |
---|---|
bin | 111000110101110110… |
… | …1000001110101100101 |
3 | 102200001222210211211211 |
4 | 1301223231001311211 |
5 | 3444442402103110 |
6 | 132024255031421 |
7 | 11550624210655 |
oct | 1615355016545 |
9 | 380058724754 |
10 | 122066050405 |
11 | 4784a1153a2 |
12 | 1b7a780b571 |
13 | b6842495c0 |
14 | 5c9d8b6365 |
15 | 329656398a |
hex | 1c6bb41d65 |
122066050405 has 8 divisors (see below), whose sum is σ = 157746895992. Its totient is φ = 90141083328.
The previous prime is 122066050397. The next prime is 122066050433. The reversal of 122066050405 is 504050660221.
It can be written as a sum of positive squares in 4 ways, for example, as 437395396 + 121628655009 = 20914^2 + 348753^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 122066050405 - 23 = 122066050397 is a prime.
It is a super-2 number, since 2×1220660504052 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 938969554 + ... + 938969683.
It is an arithmetic number, because the mean of its divisors is an integer number (19718361999).
Almost surely, 2122066050405 is an apocalyptic number.
It is an amenable number.
122066050405 is a deficient number, since it is larger than the sum of its proper divisors (35680845587).
122066050405 is a wasteful number, since it uses less digits than its factorization.
122066050405 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1877939255.
The product of its (nonzero) digits is 14400, while the sum is 31.
The spelling of 122066050405 in words is "one hundred twenty-two billion, sixty-six million, fifty thousand, four hundred five".
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