Base | Representation |
---|---|
bin | 111111000010001… |
… | …0000000000111000 |
3 | 12110101211100002011 |
4 | 1332010100000320 |
5 | 13312422342014 |
6 | 545512415304 |
7 | 103261400146 |
oct | 17604200070 |
9 | 5411740064 |
10 | 2115043384 |
11 | 995983443 |
12 | 4b03a7534 |
13 | 27925717c |
14 | 160c84596 |
15 | c5a397c4 |
hex | 7e110038 |
2115043384 has 64 divisors (see below), whose sum is σ = 4255130880. Its totient is φ = 983136000.
The previous prime is 2115043369. The next prime is 2115043391. The reversal of 2115043384 is 4833405112.
It is a super-3 number, since 3×21150433843 (a number of 29 digits) contains 333 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 (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3703819 + ... + 3704389.
It is an arithmetic number, because the mean of its divisors is an integer number (66486420).
Almost surely, 22115043384 is an apocalyptic number.
It is an amenable number.
2115043384 is an abundant number, since it is smaller than the sum of its proper divisors (2140087496).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2115043384 is a wasteful number, since it uses less digits than its factorization.
2115043384 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1132 (or 1128 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 31.
The square root of 2115043384 is about 45989.6008245342. The cubic root of 2115043384 is about 1283.6297088622.
Adding to 2115043384 its reverse (4833405112), we get a palindrome (6948448496).
The spelling of 2115043384 in words is "two billion, one hundred fifteen million, forty-three thousand, three hundred eighty-four".
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