Base | Representation |
---|---|
bin | 110101101010011111… |
… | …0001000001111001010 |
3 | 102000110102112122022120 |
4 | 1223110332020033022 |
5 | 3342004001044104 |
6 | 124535212232110 |
7 | 11216544406215 |
oct | 1532476101712 |
9 | 360412478276 |
10 | 115242206154 |
11 | 44968248199 |
12 | 1a40246b636 |
13 | ab3759c83a |
14 | 58134d277c |
15 | 2ee7443cd9 |
hex | 1ad4f883ca |
115242206154 has 32 divisors (see below), whose sum is σ = 230979522240. Its totient is φ = 38331629952.
The previous prime is 115242206147. The next prime is 115242206221. The reversal of 115242206154 is 451602242511.
It is a happy number.
115242206154 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6535702 + ... + 6553310.
It is an arithmetic number, because the mean of its divisors is an integer number (7218110070).
Almost surely, 2115242206154 is an apocalyptic number.
115242206154 is an abundant number, since it is smaller than the sum of its proper divisors (115737316086).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
115242206154 is a wasteful number, since it uses less digits than its factorization.
115242206154 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19894.
The product of its (nonzero) digits is 19200, while the sum is 33.
Adding to 115242206154 its reverse (451602242511), we get a palindrome (566844448665).
The spelling of 115242206154 in words is "one hundred fifteen billion, two hundred forty-two million, two hundred six thousand, one hundred fifty-four".
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