Base | Representation |
---|---|
bin | 10001000110101001… |
… | …000001100000101011 |
3 | 1202101220001002211212 |
4 | 101012221001200223 |
5 | 300102421402040 |
6 | 12234202143335 |
7 | 1220050110560 |
oct | 210651014053 |
9 | 52356032755 |
10 | 18365028395 |
11 | 787464171a |
12 | 36864b1b4b |
13 | 1968a4900c |
14 | c630ca867 |
15 | 72745ed65 |
hex | 446a4182b |
18365028395 has 16 divisors (see below), whose sum is σ = 25722206208. Its totient is φ = 12325221600.
The previous prime is 18365028347. The next prime is 18365028433. The reversal of 18365028395 is 59382056381.
It is not a de Polignac number, because 18365028395 - 216 = 18364962859 is a prime.
It is a Duffinian number.
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 15 ways as a sum of consecutive naturals, for example, 5580431 + ... + 5583720.
It is an arithmetic number, because the mean of its divisors is an integer number (1607637888).
Almost surely, 218365028395 is an apocalyptic number.
18365028395 is a deficient number, since it is larger than the sum of its proper divisors (7357177813).
18365028395 is a wasteful number, since it uses less digits than its factorization.
18365028395 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11164210.
The product of its (nonzero) digits is 1555200, while the sum is 50.
The spelling of 18365028395 in words is "eighteen billion, three hundred sixty-five million, twenty-eight thousand, three hundred ninety-five".
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