Base | Representation |
---|---|
bin | 1011111011111000000111… |
… | …1101010100011010101001 |
3 | 1201110120112201102002211112 |
4 | 2332332001331110122221 |
5 | 3210003012142041203 |
6 | 43524432511440105 |
7 | 2523061512411152 |
oct | 276760175243251 |
9 | 51416481362745 |
10 | 13123305424553 |
11 | 41aa620874245 |
12 | 157b474526035 |
13 | 7426a3903bac |
14 | 33525835a929 |
15 | 17b5799126d8 |
hex | bef81f546a9 |
13123305424553 has 8 divisors (see below), whose sum is σ = 13130782017600. Its totient is φ = 13115829359088.
The previous prime is 13123305424547. The next prime is 13123305424601. The reversal of 13123305424553 is 35542450332131.
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 13123305424553 - 212 = 13123305420457 is a prime.
It is a super-3 number, since 3×131233054245533 (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 13123305424553.
It is not an unprimeable number, because it can be changed into a prime (13123305424153) 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, 56504018 + ... + 56735796.
It is an arithmetic number, because the mean of its divisors is an integer number (1641347752200).
Almost surely, 213123305424553 is an apocalyptic number.
It is an amenable number.
13123305424553 is a deficient number, since it is larger than the sum of its proper divisors (7476593047).
13123305424553 is a wasteful number, since it uses less digits than its factorization.
13123305424553 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 263791.
The product of its (nonzero) digits is 648000, while the sum is 41.
Adding to 13123305424553 its reverse (35542450332131), we get a palindrome (48665755756684).
The spelling of 13123305424553 in words is "thirteen trillion, one hundred twenty-three billion, three hundred five million, four hundred twenty-four thousand, five hundred fifty-three".
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