Base | Representation |
---|---|
bin | 1011110101110111011001… |
… | …0101111000010001111011 |
3 | 1201002200222100222002011002 |
4 | 2331131312111320101323 |
5 | 3201310011004234321 |
6 | 43405153025155215 |
7 | 2512444341125645 |
oct | 275356625702173 |
9 | 51080870862132 |
10 | 13020031321211 |
11 | 416a845281912 |
12 | 156345218bb0b |
13 | 735a259ab4c5 |
14 | 33025c541895 |
15 | 178a3303d20b |
hex | bd77657847b |
13020031321211 has 8 divisors (see below), whose sum is σ = 13032101263104. Its totient is φ = 13007966883520.
The previous prime is 13020031321183. The next prime is 13020031321217. The reversal of 13020031321211 is 11212313002031.
It is a happy number.
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 13020031321211 - 26 = 13020031321147 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13020031321217) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3364646 + ... + 6112356.
It is an arithmetic number, because the mean of its divisors is an integer number (1629012657888).
Almost surely, 213020031321211 is an apocalyptic number.
13020031321211 is a deficient number, since it is larger than the sum of its proper divisors (12069941893).
13020031321211 is a wasteful number, since it uses less digits than its factorization.
13020031321211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2752101.
The product of its (nonzero) digits is 216, while the sum is 20.
Adding to 13020031321211 its reverse (11212313002031), we get a palindrome (24232344323242).
The spelling of 13020031321211 in words is "thirteen trillion, twenty billion, thirty-one million, three hundred twenty-one thousand, two hundred eleven".
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