Base | Representation |
---|---|
bin | 1011100111111000… |
… | …0001011010100000 |
3 | 22001102220122022100 |
4 | 2321332001122200 |
5 | 22342212344210 |
6 | 1233333210400 |
7 | 140213635155 |
oct | 27176013240 |
9 | 8042818270 |
10 | 3120043680 |
11 | 1361201aa6 |
12 | 730a90a00 |
13 | 3a95252c0 |
14 | 21853422c |
15 | 133da75c0 |
hex | b9f816a0 |
3120043680 has 144 divisors (see below), whose sum is σ = 11466229320. Its totient is φ = 768006144.
The previous prime is 3120043669. The next prime is 3120043681. The reversal of 3120043680 is 863400213.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 2153331216 + 966712464 = 46404^2 + 31092^2 .
It is a tau number, because it is divible by the number of its divisors (144).
It is not an unprimeable number, because it can be changed into a prime (3120043681) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64615 + ... + 102054.
Almost surely, 23120043680 is an apocalyptic number.
3120043680 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
3120043680 is an abundant number, since it is smaller than the sum of its proper divisors (8346185640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3120043680 is a wasteful number, since it uses less digits than its factorization.
3120043680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 166703 (or 166692 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 27.
The square root of 3120043680 is about 55857.3511724285. The cubic root of 3120043680 is about 1461.2355338481.
Adding to 3120043680 its reverse (863400213), we get a palindrome (3983443893).
The spelling of 3120043680 in words is "three billion, one hundred twenty million, forty-three thousand, six hundred eighty".
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