Base | Representation |
---|---|
bin | 1010101101011001… |
… | …0111000001100001 |
3 | 21102100101012202221 |
4 | 2223112113001201 |
5 | 21341414443114 |
6 | 1153132111041 |
7 | 131145050155 |
oct | 25326270141 |
9 | 7370335687 |
10 | 2874765409 |
11 | 124580388a |
12 | 682905481 |
13 | 36a776b29 |
14 | 1d3b27065 |
15 | 11c5a7524 |
hex | ab597061 |
2874765409 has 4 divisors (see below), whose sum is σ = 2874901140. Its totient is φ = 2874629680.
The previous prime is 2874765403. The next prime is 2874765457. The reversal of 2874765409 is 9045674782.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9045674782 = 2 ⋅4522837391.
It can be written as a sum of positive squares in 2 ways, for example, as 1014741025 + 1860024384 = 31855^2 + 43128^2 .
It is a cyclic number.
It is not a de Polignac number, because 2874765409 - 23 = 2874765401 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2874765401) 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, 28474 + ... + 80995.
It is an arithmetic number, because the mean of its divisors is an integer number (718725285).
Almost surely, 22874765409 is an apocalyptic number.
It is an amenable number.
2874765409 is a deficient number, since it is larger than the sum of its proper divisors (135731).
2874765409 is a wasteful number, since it uses less digits than its factorization.
2874765409 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 135730.
The product of its (nonzero) digits is 3386880, while the sum is 52.
The square root of 2874765409 is about 53616.8388568368. The cubic root of 2874765409 is about 1421.8948137666.
The spelling of 2874765409 in words is "two billion, eight hundred seventy-four million, seven hundred sixty-five thousand, four hundred nine".
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