Base | Representation |
---|---|
bin | 11000100101100110… |
… | …01110011001111100 |
3 | 1021001221201202000100 |
4 | 30102303032121330 |
5 | 204013240220444 |
6 | 10021504401100 |
7 | 645054604215 |
oct | 142263163174 |
9 | 37057652010 |
10 | 13200320124 |
11 | 5664266982 |
12 | 2684916190 |
13 | 1324a3b914 |
14 | 8d31d240c |
15 | 523d20e69 |
hex | 312cce67c |
13200320124 has 36 divisors (see below), whose sum is σ = 33402797064. Its totient is φ = 4395448992.
The previous prime is 13200320069. The next prime is 13200320141. The reversal of 13200320124 is 42102300231.
13200320124 is a `hidden beast` number, since 1 + 320 + 0 + 320 + 1 + 24 = 666.
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 13200320097 and 13200320106.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 159507 + ... + 227690.
It is an arithmetic number, because the mean of its divisors is an integer number (927855474).
Almost surely, 213200320124 is an apocalyptic number.
It is an amenable number.
13200320124 is an abundant number, since it is smaller than the sum of its proper divisors (20202476940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13200320124 is a wasteful number, since it uses less digits than its factorization.
13200320124 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 388154 (or 388149 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 13200320124 its reverse (42102300231), we get a palindrome (55302620355).
The spelling of 13200320124 in words is "thirteen billion, two hundred million, three hundred twenty thousand, one hundred twenty-four".
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