Base | Representation |
---|---|
bin | 1001010011001011… |
… | …10100011111011111 |
3 | 110212221201211222121 |
4 | 10221211310133133 |
5 | 40211120404422 |
6 | 2143231523411 |
7 | 234503440060 |
oct | 45145643737 |
9 | 13787654877 |
10 | 4992747487 |
11 | 21323040a2 |
12 | b74089567 |
13 | 6174bc770 |
14 | 355134567 |
15 | 1e34c28c7 |
hex | 1299747df |
4992747487 has 8 divisors (see below), whose sum is σ = 6144920096. Its totient is φ = 3950305632.
The previous prime is 4992747469. The next prime is 4992747491. The reversal of 4992747487 is 7847472994.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 4992747487 - 219 = 4992223199 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4992747427) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27432588 + ... + 27432769.
It is an arithmetic number, because the mean of its divisors is an integer number (768115012).
Almost surely, 24992747487 is an apocalyptic number.
4992747487 is a deficient number, since it is larger than the sum of its proper divisors (1152172609).
4992747487 is a wasteful number, since it uses less digits than its factorization.
4992747487 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54865377.
The product of its digits is 28449792, while the sum is 61.
The square root of 4992747487 is about 70659.3764973906. The cubic root of 4992747487 is about 1709.1487717557.
The spelling of 4992747487 in words is "four billion, nine hundred ninety-two million, seven hundred forty-seven thousand, four hundred eighty-seven".
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