Base | Representation |
---|---|
bin | 1110011111001011… |
… | …1111001000001000 |
3 | 101001000122201120000 |
4 | 3213302333020020 |
5 | 30431024341124 |
6 | 1441520403000 |
7 | 165241061433 |
oct | 34762771010 |
9 | 11030581500 |
10 | 3888902664 |
11 | 1716203149 |
12 | 906476460 |
13 | 49c8c3a4a |
14 | 28c6b481a |
15 | 17b62c6c9 |
hex | e7cbf208 |
3888902664 has 80 divisors (see below), whose sum is σ = 11030553600. Its totient is φ = 1279875168.
The previous prime is 3888902659. The next prime is 3888902681. The reversal of 3888902664 is 4662098883.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a self number, because there is not a number n which added to its sum of digits gives 3888902664.
It is an unprimeable number.
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 19 ways as a sum of consecutive naturals, for example, 13209 + ... + 89175.
It is an arithmetic number, because the mean of its divisors is an integer number (137881920).
Almost surely, 23888902664 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 3888902664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5515276800).
3888902664 is an abundant number, since it is smaller than the sum of its proper divisors (7141650936).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3888902664 is a wasteful number, since it uses less digits than its factorization.
3888902664 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 76064 (or 76051 counting only the distinct ones).
The product of its (nonzero) digits is 3981312, while the sum is 54.
The square root of 3888902664 is about 62361.0668927336. The cubic root of 3888902664 is about 1572.5665168679.
The spelling of 3888902664 in words is "three billion, eight hundred eighty-eight million, nine hundred two thousand, six hundred sixty-four".
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