Base | Representation |
---|---|
bin | 111110010010010… |
… | …110111111001111 |
3 | 2200211100111201000 |
4 | 332102112333033 |
5 | 4120010001033 |
6 | 251405551343 |
7 | 34616232435 |
oct | 7622267717 |
9 | 2624314630 |
10 | 1045000143 |
11 | 49696a090 |
12 | 251b75553 |
13 | 1386648a5 |
14 | 9cb02d55 |
15 | 61b1ea13 |
hex | 3e496fcf |
1045000143 has 32 divisors (see below), whose sum is σ = 1697472000. Its totient is φ = 630115200.
The previous prime is 1045000141. The next prime is 1045000219. The reversal of 1045000143 is 3410005401.
It is a happy number.
It is not a de Polignac number, because 1045000143 - 21 = 1045000141 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1045000141) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50263 + ... + 67943.
It is an arithmetic number, because the mean of its divisors is an integer number (53046000).
Almost surely, 21045000143 is an apocalyptic number.
1045000143 is a deficient number, since it is larger than the sum of its proper divisors (652471857).
1045000143 is a wasteful number, since it uses less digits than its factorization.
1045000143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17900 (or 17894 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
The square root of 1045000143 is about 32326.4619622996. The cubic root of 1045000143 is about 1014.7805079189.
Adding to 1045000143 its reverse (3410005401), we get a palindrome (4455005544).
The spelling of 1045000143 in words is "one billion, forty-five million, one hundred forty-three", and thus it is an aban number.
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