Base | Representation |
---|---|
bin | 11000011101010110… |
… | …01101101100100011 |
3 | 1020220010111120012222 |
4 | 30032223031230203 |
5 | 203343031024303 |
6 | 10010553141255 |
7 | 643254414020 |
oct | 141653155443 |
9 | 36803446188 |
10 | 13131111203 |
11 | 5629196221 |
12 | 26656ba82b |
13 | 13135b91b2 |
14 | 8c7d38547 |
15 | 51cbee938 |
hex | 30eacdb23 |
13131111203 has 8 divisors (see below), whose sum is σ = 15015559008. Its totient is φ = 11248807104.
The previous prime is 13131111179. The next prime is 13131111209. The reversal of 13131111203 is 30211113131.
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 13131111203 - 226 = 13064002339 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13131111209) 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, 522776 + ... + 547317.
It is an arithmetic number, because the mean of its divisors is an integer number (1876944876).
Almost surely, 213131111203 is an apocalyptic number.
13131111203 is a deficient number, since it is larger than the sum of its proper divisors (1884447805).
13131111203 is a wasteful number, since it uses less digits than its factorization.
13131111203 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1071853.
The product of its (nonzero) digits is 54, while the sum is 17.
Adding to 13131111203 its reverse (30211113131), we get a palindrome (43342224334).
The spelling of 13131111203 in words is "thirteen billion, one hundred thirty-one million, one hundred eleven thousand, two hundred three".
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