Base | Representation |
---|---|
bin | 1001011011010001… |
… | …1100101010010111 |
3 | 20112100021010222121 |
4 | 2112310130222113 |
5 | 20140231100122 |
6 | 1055025440411 |
7 | 116463314101 |
oct | 22664345227 |
9 | 6470233877 |
10 | 2530331287 |
11 | 1089340390 |
12 | 5a74a0107 |
13 | 3142bc163 |
14 | 1a00a8571 |
15 | ec21cbc7 |
hex | 96d1ca97 |
2530331287 has 16 divisors (see below), whose sum is σ = 2863900800. Its totient is φ = 2214483040.
The previous prime is 2530331281. The next prime is 2530331333. The reversal of 2530331287 is 7821330352.
It is not a de Polignac number, because 2530331287 - 231 = 382847639 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2530331281) 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 15 ways as a sum of consecutive naturals, for example, 99264 + ... + 122122.
It is an arithmetic number, because the mean of its divisors is an integer number (178993800).
Almost surely, 22530331287 is an apocalyptic number.
2530331287 is a deficient number, since it is larger than the sum of its proper divisors (333569513).
2530331287 is a wasteful number, since it uses less digits than its factorization.
2530331287 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23246.
The product of its (nonzero) digits is 30240, while the sum is 34.
The square root of 2530331287 is about 50302.3984219441. The cubic root of 2530331287 is about 1362.6755444441.
The spelling of 2530331287 in words is "two billion, five hundred thirty million, three hundred thirty-one thousand, two hundred eighty-seven".
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