Base | Representation |
---|---|
bin | 1110111111011110… |
… | …00101110100101111 |
3 | 202202220220211012200 |
4 | 13133233011310233 |
5 | 112440422143322 |
6 | 3410354032543 |
7 | 403311143520 |
oct | 73757056457 |
9 | 22686824180 |
10 | 8048631087 |
11 | 3460273732 |
12 | 1687578753 |
13 | 9b363c403 |
14 | 564d26847 |
15 | 3219048ac |
hex | 1dfbc5d2f |
8048631087 has 24 divisors (see below), whose sum is σ = 13744791840. Its totient is φ = 4440623040.
The previous prime is 8048631083. The next prime is 8048631089. The reversal of 8048631087 is 7801368408.
8048631087 is a `hidden beast` number, since 8 + 0 + 4 + 8 + 631 + 0 + 8 + 7 = 666.
It is not a de Polignac number, because 8048631087 - 22 = 8048631083 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8048631083) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2200864 + ... + 2204517.
It is an arithmetic number, because the mean of its divisors is an integer number (572699660).
Almost surely, 28048631087 is an apocalyptic number.
8048631087 is a gapful number since it is divisible by the number (87) formed by its first and last digit.
8048631087 is a deficient number, since it is larger than the sum of its proper divisors (5696160753).
8048631087 is a wasteful number, since it uses less digits than its factorization.
8048631087 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4405423 (or 4405420 counting only the distinct ones).
The product of its (nonzero) digits is 258048, while the sum is 45.
The square root of 8048631087 is about 89714.1632463905. The cubic root of 8048631087 is about 2004.0444064586.
The spelling of 8048631087 in words is "eight billion, forty-eight million, six hundred thirty-one thousand, eighty-seven".
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