Base | Representation |
---|---|
bin | 111000011111000101… |
… | …0011010001011001011 |
3 | 102121002202010002011221 |
4 | 1300332022122023023 |
5 | 3441411303002311 |
6 | 131420402502511 |
7 | 11522655663511 |
oct | 1607612321313 |
9 | 377082102157 |
10 | 121302000331 |
11 | 474978a9256 |
12 | 1b613964a37 |
13 | b591b72975 |
14 | 5c2a2284b1 |
15 | 324e43d671 |
hex | 1c3e29a2cb |
121302000331 has 4 divisors (see below), whose sum is σ = 121351332600. Its totient is φ = 121252668064.
The previous prime is 121302000307. The next prime is 121302000353. The reversal of 121302000331 is 133000203121.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133000203121 = 23 ⋅5782617527.
It is a cyclic number.
It is not a de Polignac number, because 121302000331 - 213 = 121301992139 is a prime.
It is a super-2 number, since 2×1213020003312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (121302003331) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 24662446 + ... + 24667363.
It is an arithmetic number, because the mean of its divisors is an integer number (30337833150).
Almost surely, 2121302000331 is an apocalyptic number.
121302000331 is a deficient number, since it is larger than the sum of its proper divisors (49332269).
121302000331 is an equidigital number, since it uses as much as digits as its factorization.
121302000331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49332268.
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 121302000331 its reverse (133000203121), we get a palindrome (254302203452).
The spelling of 121302000331 in words is "one hundred twenty-one billion, three hundred two million, three hundred thirty-one", and thus it is an aban number.
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