Base | Representation |
---|---|
bin | 1001010010100110… |
… | …10010000100010110 |
3 | 110212121120221212200 |
4 | 10221103102010112 |
5 | 40203344403034 |
6 | 2142535425330 |
7 | 234414230133 |
oct | 45123220426 |
9 | 13777527780 |
10 | 4987887894 |
11 | 212a595000 |
12 | b72525246 |
13 | 6164aa872 |
14 | 35462b58a |
15 | 1e2d62a99 |
hex | 1294d2116 |
4987887894 has 96 divisors (see below), whose sum is σ = 12085396128. Its totient is φ = 1486267200.
The previous prime is 4987887889. The next prime is 4987887901.
4987887894 is nontrivially palindromic in base 10.
It is a super-2 number, since 2×49878878942 = 49758051286223510472, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1459732 + ... + 1463144.
It is an arithmetic number, because the mean of its divisors is an integer number (125889543).
Almost surely, 24987887894 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 4987887894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6042698064).
4987887894 is an abundant number, since it is smaller than the sum of its proper divisors (7097508234).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4987887894 is a wasteful number, since it uses less digits than its factorization.
4987887894 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3515 (or 3490 counting only the distinct ones).
The product of its digits is 260112384, while the sum is 72.
The square root of 4987887894 is about 70624.9806654841. The cubic root of 4987887894 is about 1708.5940695843.
The spelling of 4987887894 in words is "four billion, nine hundred eighty-seven million, eight hundred eighty-seven thousand, eight hundred ninety-four".
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