Base | Representation |
---|---|
bin | 1110110110100111… |
… | …0100111100110111 |
3 | 101021212112222010011 |
4 | 3231221310330313 |
5 | 31131203234413 |
6 | 1455350441051 |
7 | 200543225464 |
oct | 35551647467 |
9 | 11255488104 |
10 | 3987164983 |
11 | 176671807a |
12 | 933363187 |
13 | 4b7079629 |
14 | 29b77266b |
15 | 18508c33d |
hex | eda74f37 |
3987164983 has 4 divisors (see below), whose sum is σ = 3998655720. Its totient is φ = 3975674248.
The previous prime is 3987164971. The next prime is 3987164999. The reversal of 3987164983 is 3894617893.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3894617893 = 5557 ⋅700849.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-3987164983 is a prime.
It is a super-2 number, since 2×39871649832 = 31794969203322780578, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3987164933) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5744848 + ... + 5745541.
It is an arithmetic number, because the mean of its divisors is an integer number (999663930).
Almost surely, 23987164983 is an apocalyptic number.
3987164983 is a deficient number, since it is larger than the sum of its proper divisors (11490737).
3987164983 is a wasteful number, since it uses less digits than its factorization.
3987164983 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11490736.
The product of its digits is 7838208, while the sum is 58.
The square root of 3987164983 is about 63144.0019558469. The cubic root of 3987164983 is about 1585.7013727615.
The spelling of 3987164983 in words is "three billion, nine hundred eighty-seven million, one hundred sixty-four thousand, nine hundred eighty-three".
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