Base | Representation |
---|---|
bin | 111111011110111… |
… | …0111000100011011 |
3 | 12111110020121101010 |
4 | 1332331313010123 |
5 | 13330304124223 |
6 | 551212225003 |
7 | 103533636630 |
oct | 17675670433 |
9 | 5443217333 |
10 | 2130145563 |
11 | 9a3458987 |
12 | 4b546b163 |
13 | 27c414180 |
14 | 162c96187 |
15 | c701e393 |
hex | 7ef7711b |
2130145563 has 32 divisors (see below), whose sum is σ = 3608399872. Its totient is φ = 1087344000.
The previous prime is 2130145561. The next prime is 2130145583. The reversal of 2130145563 is 3655410312.
It is not a de Polignac number, because 2130145563 - 21 = 2130145561 is a prime.
It is the 46154-th Hogben number.
It is a self number, because there is not a number n which added to its sum of digits gives 2130145563.
It is not an unprimeable number, because it can be changed into a prime (2130145561) by changing a digit.
It is a nontrivial repunit in base 46153.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117388 + ... + 134313.
It is an arithmetic number, because the mean of its divisors is an integer number (112762496).
Almost surely, 22130145563 is an apocalyptic number.
2130145563 is a deficient number, since it is larger than the sum of its proper divisors (1478254309).
2130145563 is a wasteful number, since it uses less digits than its factorization.
2130145563 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 251755.
The product of its (nonzero) digits is 10800, while the sum is 30.
The square root of 2130145563 is about 46153.5000081251. The cubic root of 2130145563 is about 1286.6776601639.
Adding to 2130145563 its reverse (3655410312), we get a palindrome (5785555875).
The spelling of 2130145563 in words is "two billion, one hundred thirty million, one hundred forty-five thousand, five hundred sixty-three".
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