Base | Representation |
---|---|
bin | 1110011011001000… |
… | …0100001011111110 |
3 | 100222211122002101020 |
4 | 3212302010023332 |
5 | 30412200242110 |
6 | 1440111525010 |
7 | 164643320430 |
oct | 34662041376 |
9 | 10884562336 |
10 | 3871884030 |
11 | 1707639863 |
12 | 900829766 |
13 | 499215651 |
14 | 28a324650 |
15 | 179db9d70 |
hex | e6c842fe |
3871884030 has 128 divisors (see below), whose sum is σ = 11214720000. Its totient is φ = 835743744.
The previous prime is 3871884019. The next prime is 3871884031. The reversal of 3871884030 is 304881783.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3871884031) 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 63 ways as a sum of consecutive naturals, for example, 1407096 + ... + 1409844.
It is an arithmetic number, because the mean of its divisors is an integer number (87615000).
Almost surely, 23871884030 is an apocalyptic number.
3871884030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 3871884030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5607360000).
3871884030 is an abundant number, since it is smaller than the sum of its proper divisors (7342835970).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3871884030 is a wasteful number, since it uses less digits than its factorization.
3871884030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3138.
The product of its (nonzero) digits is 129024, while the sum is 42.
The square root of 3871884030 is about 62224.4648831953. The cubic root of 3871884030 is about 1570.2692047874.
The spelling of 3871884030 in words is "three billion, eight hundred seventy-one million, eight hundred eighty-four thousand, thirty".
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