Base | Representation |
---|---|
bin | 110000000111001… |
… | …100101000110111 |
3 | 2002020212122211100 |
4 | 300013030220313 |
5 | 3123120140033 |
6 | 212032541143 |
7 | 26001012531 |
oct | 6007145067 |
9 | 2066778740 |
10 | 807193143 |
11 | 384704179 |
12 | 1a63b17b3 |
13 | cb300ca3 |
14 | 792bc851 |
15 | 4ace8513 |
hex | 301cca37 |
807193143 has 12 divisors (see below), whose sum is σ = 1166246640. Its totient is φ = 537989856.
The previous prime is 807193141. The next prime is 807193157. The reversal of 807193143 is 341391708.
It is a happy number.
It is not a de Polignac number, because 807193143 - 21 = 807193141 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 807193098 and 807193107.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (807193141) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35155 + ... + 53387.
It is an arithmetic number, because the mean of its divisors is an integer number (97187220).
Almost surely, 2807193143 is an apocalyptic number.
807193143 is a deficient number, since it is larger than the sum of its proper divisors (359053497).
807193143 is a wasteful number, since it uses less digits than its factorization.
807193143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23158 (or 23155 counting only the distinct ones).
The product of its (nonzero) digits is 18144, while the sum is 36.
The square root of 807193143 is about 28411.1446971079. The cubic root of 807193143 is about 931.0917701947.
The spelling of 807193143 in words is "eight hundred seven million, one hundred ninety-three thousand, one hundred forty-three".
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