Base | Representation |
---|---|
bin | 1011000010001000010000… |
… | …0100001011011110100101 |
3 | 1120221201202102021221121022 |
4 | 2300202010010023132211 |
5 | 3042224201023111010 |
6 | 41444555312500525 |
7 | 2361310345643312 |
oct | 260420404133645 |
9 | 46851672257538 |
10 | 12131203332005 |
11 | 39578a602609a |
12 | 143b13754a745 |
13 | 69cc76984394 |
14 | 2dd220c03d09 |
15 | 16086172bd55 |
hex | b088410b7a5 |
12131203332005 has 8 divisors (see below), whose sum is σ = 15323625261600. Its totient is φ = 9194175156816.
The previous prime is 12131203331969. The next prime is 12131203332019. The reversal of 12131203332005 is 50023330213121.
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 12131203332005 - 212 = 12131203327909 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 (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63848438495 + ... + 63848438684.
It is an arithmetic number, because the mean of its divisors is an integer number (1915453157700).
Almost surely, 212131203332005 is an apocalyptic number.
It is an amenable number.
12131203332005 is a deficient number, since it is larger than the sum of its proper divisors (3192421929595).
12131203332005 is a wasteful number, since it uses less digits than its factorization.
12131203332005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 127696877203.
The product of its (nonzero) digits is 3240, while the sum is 26.
Adding to 12131203332005 its reverse (50023330213121), we get a palindrome (62154533545126).
The spelling of 12131203332005 in words is "twelve trillion, one hundred thirty-one billion, two hundred three million, three hundred thirty-two thousand, five".
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