Base | Representation |
---|---|
bin | 111110101110100… |
… | …1001010101110111 |
3 | 12102200112112102112 |
4 | 1331131021111313 |
5 | 13302311324224 |
6 | 544505001235 |
7 | 103105304051 |
oct | 17535112567 |
9 | 5380475375 |
10 | 2104792439 |
11 | 990111792 |
12 | 4a8a8321b |
13 | 2770a8319 |
14 | 15d7768d1 |
15 | c4bb230e |
hex | 7d749577 |
2104792439 has 4 divisors (see below), whose sum is σ = 2104893456. Its totient is φ = 2104691424.
The previous prime is 2104792411. The next prime is 2104792451. The reversal of 2104792439 is 9342974012.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 2104792439 - 216 = 2104726903 is a prime.
It is a super-3 number, since 3×21047924393 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2104792396 and 2104792405.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2104792489) 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, 6434 + ... + 65199.
It is an arithmetic number, because the mean of its divisors is an integer number (526223364).
Almost surely, 22104792439 is an apocalyptic number.
2104792439 is a deficient number, since it is larger than the sum of its proper divisors (101017).
2104792439 is an equidigital number, since it uses as much as digits as its factorization.
2104792439 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 101016.
The product of its (nonzero) digits is 108864, while the sum is 41.
The square root of 2104792439 is about 45878.0169471175. The cubic root of 2104792439 is about 1281.5525673565.
The spelling of 2104792439 in words is "two billion, one hundred four million, seven hundred ninety-two thousand, four hundred thirty-nine".
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