Base | Representation |
---|---|
bin | 101010010001001… |
… | …0101111000000101 |
3 | 10122211202112021002 |
4 | 1110202111320011 |
5 | 10401040214040 |
6 | 352422503045 |
7 | 50101153214 |
oct | 12442257005 |
9 | 3584675232 |
10 | 1418288645 |
11 | 668650284 |
12 | 336b94a85 |
13 | 197ab2c67 |
14 | d651307b |
15 | 847a8a15 |
hex | 54895e05 |
1418288645 has 32 divisors (see below), whose sum is σ = 1794078720. Its totient is φ = 1074895360.
The previous prime is 1418288623. The next prime is 1418288647. The reversal of 1418288645 is 5468828141.
It is a happy number.
It is not a de Polignac number, because 1418288645 - 228 = 1149853189 is a prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 1418288645.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1418288647) by changing a digit.
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 31 ways as a sum of consecutive naturals, for example, 2298377 + ... + 2298993.
It is an arithmetic number, because the mean of its divisors is an integer number (56064960).
Almost surely, 21418288645 is an apocalyptic number.
It is an amenable number.
1418288645 is a deficient number, since it is larger than the sum of its proper divisors (375790075).
1418288645 is a wasteful number, since it uses less digits than its factorization.
1418288645 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 925.
The product of its digits is 491520, while the sum is 47.
The square root of 1418288645 is about 37660.1731939724. The cubic root of 1418288645 is about 1123.5391461532.
The spelling of 1418288645 in words is "one billion, four hundred eighteen million, two hundred eighty-eight thousand, six hundred forty-five".
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