Base | Representation |
---|---|
bin | 11000001110110000… |
… | …00010110100001001 |
3 | 1020120121001122200221 |
4 | 30013120002310021 |
5 | 203120203123020 |
6 | 5550500230041 |
7 | 640236442561 |
oct | 140730026411 |
9 | 36517048627 |
10 | 13008645385 |
11 | 557604a8aa |
12 | 263069b321 |
13 | 12c410ab08 |
14 | 8b5979da1 |
15 | 5120ad6aa |
hex | 307602d09 |
13008645385 has 8 divisors (see below), whose sum is σ = 15874957440. Its totient is φ = 10230527664.
The previous prime is 13008645373. The next prime is 13008645437. The reversal of 13008645385 is 58354680031.
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 13008645385 - 27 = 13008645257 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22048257 + ... + 22048846.
It is an arithmetic number, because the mean of its divisors is an integer number (1984369680).
Almost surely, 213008645385 is an apocalyptic number.
It is an amenable number.
13008645385 is a deficient number, since it is larger than the sum of its proper divisors (2866312055).
13008645385 is an equidigital number, since it uses as much as digits as its factorization.
13008645385 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44097167.
The product of its (nonzero) digits is 345600, while the sum is 43.
The spelling of 13008645385 in words is "thirteen billion, eight million, six hundred forty-five thousand, three hundred eighty-five".
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