Base | Representation |
---|---|
bin | 111000011111110001… |
… | …1011101100100011111 |
3 | 102121011101001010010100 |
4 | 1300333203131210133 |
5 | 3441433242020210 |
6 | 131422555112143 |
7 | 11523361263105 |
oct | 1607743354437 |
9 | 377141033110 |
10 | 121325345055 |
11 | 474a9aa3512 |
12 | 1b61b742653 |
13 | b596957605 |
14 | 5c2d383c75 |
15 | 32515005c0 |
hex | 1c3f8dd91f |
121325345055 has 12 divisors (see below), whose sum is σ = 210297264840. Its totient is φ = 64706850672.
The previous prime is 121325345047. The next prime is 121325345093. The reversal of 121325345055 is 550543523121.
121325345055 is a `hidden beast` number, since 1 + 21 + 3 + 2 + 534 + 50 + 55 = 666.
It is not a de Polignac number, because 121325345055 - 23 = 121325345047 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1348059345 + ... + 1348059434.
It is an arithmetic number, because the mean of its divisors is an integer number (17524772070).
Almost surely, 2121325345055 is an apocalyptic number.
121325345055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
121325345055 is a deficient number, since it is larger than the sum of its proper divisors (88971919785).
121325345055 is a wasteful number, since it uses less digits than its factorization.
121325345055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2696118790 (or 2696118787 counting only the distinct ones).
The product of its (nonzero) digits is 90000, while the sum is 36.
Adding to 121325345055 its reverse (550543523121), we get a palindrome (671868868176).
The spelling of 121325345055 in words is "one hundred twenty-one billion, three hundred twenty-five million, three hundred forty-five thousand, fifty-five".
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