Base | Representation |
---|---|
bin | 101011000100100… |
… | …0000100011100001 |
3 | 10201201101212122101 |
4 | 1112021000203201 |
5 | 10424432432040 |
6 | 355223410401 |
7 | 50546005222 |
oct | 12611004341 |
9 | 3651355571 |
10 | 1445202145 |
11 | 681862842 |
12 | 343bb3a01 |
13 | 1a05470ca |
14 | d9d1b249 |
15 | 86d2309a |
hex | 562408e1 |
1445202145 has 16 divisors (see below), whose sum is σ = 1776893760. Its totient is φ = 1127973184.
The previous prime is 1445202133. The next prime is 1445202229. The reversal of 1445202145 is 5412025441.
1445202145 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 1445202145 - 29 = 1445201633 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32202 + ... + 62668.
It is an arithmetic number, because the mean of its divisors is an integer number (111055860).
Almost surely, 21445202145 is an apocalyptic number.
It is an amenable number.
1445202145 is a deficient number, since it is larger than the sum of its proper divisors (331691615).
1445202145 is a wasteful number, since it uses less digits than its factorization.
1445202145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30704.
The product of its (nonzero) digits is 6400, while the sum is 28.
The square root of 1445202145 is about 38015.8144066387. The cubic root of 1445202145 is about 1130.6014353868.
Adding to 1445202145 its reverse (5412025441), we get a palindrome (6857227586).
The spelling of 1445202145 in words is "one billion, four hundred forty-five million, two hundred two thousand, one hundred forty-five".
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