Base | Representation |
---|---|
bin | 1001100010010… |
… | …11110001011111 |
3 | 12120112112022100 |
4 | 10301023301133 |
5 | 130440032033 |
6 | 11534420143 |
7 | 1661002254 |
oct | 461136137 |
9 | 176475270 |
10 | 80002143 |
11 | 41182881 |
12 | 22961653 |
13 | 13761360 |
14 | a8a742b |
15 | 7054513 |
hex | 4c4bc5f |
80002143 has 24 divisors (see below), whose sum is σ = 125012160. Its totient is φ = 49008960.
The previous prime is 80002033. The next prime is 80002147. The reversal of 80002143 is 34120008.
It is a happy number.
It is not a de Polignac number, because 80002143 - 29 = 80001631 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80002147) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26533 + ... + 29393.
It is an arithmetic number, because the mean of its divisors is an integer number (5208840).
Almost surely, 280002143 is an apocalyptic number.
80002143 is a deficient number, since it is larger than the sum of its proper divisors (45010017).
80002143 is a wasteful number, since it uses less digits than its factorization.
80002143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3119 (or 3116 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
The square root of 80002143 is about 8944.3917065388. The cubic root of 80002143 is about 430.8907854333.
The spelling of 80002143 in words is "eighty million, two thousand, one hundred forty-three".
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