Base | Representation |
---|---|
bin | 11001010111101010… |
… | …10110011110110101 |
3 | 1022011020000022220220 |
4 | 30223311112132311 |
5 | 210343244323033 |
6 | 10131310244553 |
7 | 661344464313 |
oct | 145365263665 |
9 | 38136008826 |
10 | 13620307893 |
11 | 585a343a05 |
12 | 27814b6759 |
13 | 1390a5abaa |
14 | 932cbb0b3 |
15 | 54ab31bb3 |
hex | 32bd567b5 |
13620307893 has 8 divisors (see below), whose sum is σ = 18160981248. Its totient is φ = 9079919904.
The previous prime is 13620307891. The next prime is 13620307903. The reversal of 13620307893 is 39870302631.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13620307893 - 21 = 13620307891 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13620307891) 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, 96321 + ... + 191097.
It is an arithmetic number, because the mean of its divisors is an integer number (2270122656).
Almost surely, 213620307893 is an apocalyptic number.
It is an amenable number.
13620307893 is a deficient number, since it is larger than the sum of its proper divisors (4540673355).
13620307893 is an equidigital number, since it uses as much as digits as its factorization.
13620307893 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 142683.
The product of its (nonzero) digits is 163296, while the sum is 42.
The spelling of 13620307893 in words is "thirteen billion, six hundred twenty million, three hundred seven thousand, eight hundred ninety-three".
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