Base | Representation |
---|---|
bin | 11000011100001001… |
… | …10001100011001101 |
3 | 1020212102112121111201 |
4 | 30032010301203031 |
5 | 203332441100240 |
6 | 10005553145501 |
7 | 643102644511 |
oct | 141604614315 |
9 | 36772477451 |
10 | 13121034445 |
11 | 5623533422 |
12 | 266225b291 |
13 | 131149b70c |
14 | 8c6874141 |
15 | 51bdadd9a |
hex | 30e1318cd |
13121034445 has 8 divisors (see below), whose sum is σ = 15980245344. Its totient is φ = 10340158224.
The previous prime is 13121034413. The next prime is 13121034463. The reversal of 13121034445 is 54443012131.
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 13121034445 - 25 = 13121034413 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19583299 + ... + 19583968.
It is an arithmetic number, because the mean of its divisors is an integer number (1997530668).
Almost surely, 213121034445 is an apocalyptic number.
It is an amenable number.
13121034445 is a deficient number, since it is larger than the sum of its proper divisors (2859210899).
13121034445 is an equidigital number, since it uses as much as digits as its factorization.
13121034445 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39167339.
The product of its (nonzero) digits is 5760, while the sum is 28.
Adding to 13121034445 its reverse (54443012131), we get a palindrome (67564046576).
The spelling of 13121034445 in words is "thirteen billion, one hundred twenty-one million, thirty-four thousand, four hundred forty-five".
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