Base | Representation |
---|---|
bin | 1011010010101010… |
… | …1001111010101101 |
3 | 21211020111211221020 |
4 | 2310222221322231 |
5 | 22201424034441 |
6 | 1220434324353 |
7 | 135053521512 |
oct | 26452517255 |
9 | 7736454836 |
10 | 3031080621 |
11 | 1315a69808 |
12 | 7071296b9 |
13 | 393c7733a |
14 | 20a7b7309 |
15 | 12b182e66 |
hex | b4aa9ead |
3031080621 has 32 divisors (see below), whose sum is σ = 4374458880. Its totient is φ = 1860667200.
The previous prime is 3031080607. The next prime is 3031080623. The reversal of 3031080621 is 1260801303.
It is not a de Polignac number, because 3031080621 - 26 = 3031080557 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 3031080591 and 3031080600.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3031080623) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 514231 + ... + 520091.
It is an arithmetic number, because the mean of its divisors is an integer number (136701840).
Almost surely, 23031080621 is an apocalyptic number.
It is an amenable number.
3031080621 is a deficient number, since it is larger than the sum of its proper divisors (1343378259).
3031080621 is a wasteful number, since it uses less digits than its factorization.
3031080621 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6137.
The product of its (nonzero) digits is 864, while the sum is 24.
The square root of 3031080621 is about 55055.2506215347. The cubic root of 3031080621 is about 1447.2131364085.
Adding to 3031080621 its reverse (1260801303), we get a palindrome (4291881924).
The spelling of 3031080621 in words is "three billion, thirty-one million, eighty thousand, six hundred twenty-one".
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