Base | Representation |
---|---|
bin | 1011111011110000010100… |
… | …1011101000000011011011 |
3 | 1201110101010211022021202210 |
4 | 2332330011023220003123 |
5 | 3204434220234214003 |
6 | 43523445050530203 |
7 | 2522655602655510 |
oct | 276740513500333 |
9 | 51411124267683 |
10 | 13121212023003 |
11 | 41a9747132717 |
12 | 157ab8b436963 |
13 | 74242bcb6556 |
14 | 3350da30b307 |
15 | 17b4a5c50503 |
hex | bef052e80db |
13121212023003 has 32 divisors (see below), whose sum is σ = 20953085377536. Its totient is φ = 7141062094848.
The previous prime is 13121212022981. The next prime is 13121212023019. The reversal of 13121212023003 is 30032021212131.
It is not a de Polignac number, because 13121212023003 - 238 = 12846334116059 is a prime.
It is a super-2 number, since 2×131212120230032 (a number of 27 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is not an unprimeable number, because it can be changed into a prime (13121212013003) by changing a digit.
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 31 ways as a sum of consecutive naturals, for example, 58183750 + ... + 58408827.
It is an arithmetic number, because the mean of its divisors is an integer number (654783918048).
Almost surely, 213121212023003 is an apocalyptic number.
13121212023003 is a deficient number, since it is larger than the sum of its proper divisors (7831873354533).
13121212023003 is a wasteful number, since it uses less digits than its factorization.
13121212023003 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 116592843.
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 13121212023003 its reverse (30032021212131), we get a palindrome (43153233235134).
The spelling of 13121212023003 in words is "thirteen trillion, one hundred twenty-one billion, two hundred twelve million, twenty-three thousand, three".
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