Base | Representation |
---|---|
bin | 1011010010110000… |
… | …0101101010100101 |
3 | 21211021012221102202 |
4 | 2310230011222211 |
5 | 22202023101141 |
6 | 1220450344245 |
7 | 135056645240 |
oct | 26454055245 |
9 | 7737187382 |
10 | 3031456421 |
11 | 13161a6094 |
12 | 70728b085 |
13 | 3940793c6 |
14 | 20a874257 |
15 | 12b20949b |
hex | b4b05aa5 |
3031456421 has 8 divisors (see below), whose sum is σ = 3489447360. Its totient is φ = 2579696928.
The previous prime is 3031456409. The next prime is 3031456433. The reversal of 3031456421 is 1246541303.
It is an interprime number because it is at equal distance from previous prime (3031456409) and next prime (3031456433).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 3031456421 - 26 = 3031456357 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3031456451) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1556816 + ... + 1558761.
It is an arithmetic number, because the mean of its divisors is an integer number (436180920).
Almost surely, 23031456421 is an apocalyptic number.
It is an amenable number.
3031456421 is a deficient number, since it is larger than the sum of its proper divisors (457990939).
3031456421 is a wasteful number, since it uses less digits than its factorization.
3031456421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3115723.
The product of its (nonzero) digits is 8640, while the sum is 29.
The square root of 3031456421 is about 55058.6634509048. The cubic root of 3031456421 is about 1447.2729434861.
Adding to 3031456421 its reverse (1246541303), we get a palindrome (4277997724).
The spelling of 3031456421 in words is "three billion, thirty-one million, four hundred fifty-six thousand, four hundred twenty-one".
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