Base | Representation |
---|---|
bin | 1010001110000111… |
… | …01110100100101111 |
3 | 112011101222220221200 |
4 | 11013003232210233 |
5 | 42214201024311 |
6 | 2304252100543 |
7 | 252655544214 |
oct | 50703564457 |
9 | 15141886850 |
10 | 5487126831 |
11 | 236638166a |
12 | 1091764753 |
13 | 695a57414 |
14 | 3a0a65b0b |
15 | 221aca556 |
hex | 1470ee92f |
5487126831 has 12 divisors (see below), whose sum is σ = 8343000120. Its totient is φ = 3465553680.
The previous prime is 5487126803. The next prime is 5487126881. The reversal of 5487126831 is 1386217845.
5487126831 is a `hidden beast` number, since 548 + 7 + 1 + 26 + 83 + 1 = 666.
It is not a de Polignac number, because 5487126831 - 213 = 5487118639 is a prime.
It is a super-2 number, since 2×54871268312 = 60217121718960205122, which contains 22 as substring.
It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (5487126881) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16044060 + ... + 16044401.
It is an arithmetic number, because the mean of its divisors is an integer number (695250010).
Almost surely, 25487126831 is an apocalyptic number.
5487126831 is a deficient number, since it is larger than the sum of its proper divisors (2855873289).
5487126831 is a wasteful number, since it uses less digits than its factorization.
5487126831 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32088486 (or 32088483 counting only the distinct ones).
The product of its digits is 322560, while the sum is 45.
The square root of 5487126831 is about 74075.1431385725. The cubic root of 5487126831 is about 1763.7959169316.
The spelling of 5487126831 in words is "five billion, four hundred eighty-seven million, one hundred twenty-six thousand, eight hundred thirty-one".
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