Base | Representation |
---|---|
bin | 1001011001000000… |
… | …0111101101011111 |
3 | 20111200100022212220 |
4 | 2112100013231133 |
5 | 20130311331122 |
6 | 1054045400423 |
7 | 116316342204 |
oct | 22620075537 |
9 | 6450308786 |
10 | 2520808287 |
11 | 1083a26638 |
12 | 5a4269113 |
13 | 31233674a |
14 | 19cb09cab |
15 | eb48b25c |
hex | 96407b5f |
2520808287 has 8 divisors (see below), whose sum is σ = 3362384304. Its totient is φ = 1679885568.
The previous prime is 2520808273. The next prime is 2520808327. The reversal of 2520808287 is 7828080252.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2520808287 - 218 = 2520546143 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2520808237) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154248 + ... + 169805.
It is an arithmetic number, because the mean of its divisors is an integer number (420298038).
Almost surely, 22520808287 is an apocalyptic number.
2520808287 is a deficient number, since it is larger than the sum of its proper divisors (841576017).
2520808287 is a wasteful number, since it uses less digits than its factorization.
2520808287 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 326649.
The product of its (nonzero) digits is 143360, while the sum is 42.
The square root of 2520808287 is about 50207.6516778070. The cubic root of 2520808287 is about 1360.9639012675.
The spelling of 2520808287 in words is "two billion, five hundred twenty million, eight hundred eight thousand, two hundred eighty-seven".
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