Base | Representation |
---|---|
bin | 1010101100111010… |
… | …1001010011100111 |
3 | 21102012120110202012 |
4 | 2223032221103213 |
5 | 21340410240033 |
6 | 1153020504435 |
7 | 131121625304 |
oct | 25316512347 |
9 | 7365513665 |
10 | 2872743143 |
11 | 1244652496 |
12 | 6820ab11b |
13 | 36a21951a |
14 | 1d375c0ab |
15 | 11c308248 |
hex | ab3a94e7 |
2872743143 has 4 divisors (see below), whose sum is σ = 2874539088. Its totient is φ = 2870947200.
The previous prime is 2872743127. The next prime is 2872743193. The reversal of 2872743143 is 3413472782.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 2872743143 - 24 = 2872743127 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2872743143.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2872743193) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 895571 + ... + 898772.
It is an arithmetic number, because the mean of its divisors is an integer number (718634772).
Almost surely, 22872743143 is an apocalyptic number.
2872743143 is a deficient number, since it is larger than the sum of its proper divisors (1795945).
2872743143 is a wasteful number, since it uses less digits than its factorization.
2872743143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1795944.
The product of its digits is 225792, while the sum is 41.
The square root of 2872743143 is about 53597.9770420489. The cubic root of 2872743143 is about 1421.5613228968.
The spelling of 2872743143 in words is "two billion, eight hundred seventy-two million, seven hundred forty-three thousand, one hundred forty-three".
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