Base | Representation |
---|---|
bin | 1011000110110101… |
… | …1010011010111110 |
3 | 21200210011110121110 |
4 | 2301231122122332 |
5 | 22101224100214 |
6 | 1211503142450 |
7 | 133612044000 |
oct | 26155323276 |
9 | 7623143543 |
10 | 2981471934 |
11 | 129aa65aa1 |
12 | 6b25a4a26 |
13 | 3868c809c |
14 | 203d82370 |
15 | 126b34159 |
hex | b1b5a6be |
2981471934 has 128 divisors (see below), whose sum is σ = 7603200000. Its totient is φ = 775595520.
The previous prime is 2981471923. The next prime is 2981471959. The reversal of 2981471934 is 4391741892.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1083192 + ... + 1085940.
It is an arithmetic number, because the mean of its divisors is an integer number (59400000).
Almost surely, 22981471934 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2981471934, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3801600000).
2981471934 is an abundant number, since it is smaller than the sum of its proper divisors (4621728066).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2981471934 is a wasteful number, since it uses less digits than its factorization.
2981471934 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2823 (or 2809 counting only the distinct ones).
The product of its digits is 435456, while the sum is 48.
The square root of 2981471934 is about 54602.8564637419. The cubic root of 2981471934 is about 1439.2743151025.
The spelling of 2981471934 in words is "two billion, nine hundred eighty-one million, four hundred seventy-one thousand, nine hundred thirty-four".
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