Base | Representation |
---|---|
bin | 10001010011000… |
… | …01011011100011 |
3 | 101010000222022000 |
4 | 20221201123203 |
5 | 244121240223 |
6 | 22222015043 |
7 | 3411231354 |
oct | 1051413343 |
9 | 333028260 |
10 | 145102563 |
11 | 749a7781 |
12 | 40717483 |
13 | 240a5a08 |
14 | 153b1d2b |
15 | cb13543 |
hex | 8a616e3 |
145102563 has 16 divisors (see below), whose sum is σ = 226281600. Its totient is φ = 91643400.
The previous prime is 145102549. The next prime is 145102571. The reversal of 145102563 is 365201541.
It is not a de Polignac number, because 145102563 - 225 = 111548131 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (145102513) 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 15 ways as a sum of consecutive naturals, for example, 140913 + ... + 141938.
It is an arithmetic number, because the mean of its divisors is an integer number (14142600).
Almost surely, 2145102563 is an apocalyptic number.
145102563 is a deficient number, since it is larger than the sum of its proper divisors (81179037).
145102563 is a wasteful number, since it uses less digits than its factorization.
145102563 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 282879 (or 282873 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 27.
The square root of 145102563 is about 12045.8525227565. The cubic root of 145102563 is about 525.4826255805.
The spelling of 145102563 in words is "one hundred forty-five million, one hundred two thousand, five hundred sixty-three".
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