Base | Representation |
---|---|
bin | 1110110110101010… |
… | …0100010001100111 |
3 | 101021212220211000102 |
4 | 3231222210101213 |
5 | 31131230440243 |
6 | 1455354534315 |
7 | 200544663560 |
oct | 35552442147 |
9 | 11255824012 |
10 | 3987358823 |
11 | 176683a778 |
12 | 93343739b |
13 | 4b7116926 |
14 | 29b7c3167 |
15 | 1850c99b8 |
hex | edaa4467 |
3987358823 has 16 divisors (see below), whose sum is σ = 4840305984. Its totient is φ = 3206515200.
The previous prime is 3987358819. The next prime is 3987358831. The reversal of 3987358823 is 3288537893.
3987358823 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 3987358823 - 22 = 3987358819 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3987358883) 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, 15128 + ... + 90573.
It is an arithmetic number, because the mean of its divisors is an integer number (302519124).
Almost surely, 23987358823 is an apocalyptic number.
3987358823 is a deficient number, since it is larger than the sum of its proper divisors (852947161).
3987358823 is a wasteful number, since it uses less digits than its factorization.
3987358823 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 106042.
The product of its digits is 8709120, while the sum is 56.
The square root of 3987358823 is about 63145.5368414902. The cubic root of 3987358823 is about 1585.7270691627.
The spelling of 3987358823 in words is "three billion, nine hundred eighty-seven million, three hundred fifty-eight thousand, eight hundred twenty-three".
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