Base | Representation |
---|---|
bin | 1011010010101111… |
… | …1100110011110000 |
3 | 21211021011002200011 |
4 | 2310223330303300 |
5 | 22202020421034 |
6 | 1220445504304 |
7 | 135056434414 |
oct | 26453746360 |
9 | 7737132604 |
10 | 3031420144 |
11 | 1316180905 |
12 | 707272094 |
13 | 394065a3c |
14 | 20a864d44 |
15 | 12b1ed864 |
hex | b4afccf0 |
3031420144 has 40 divisors (see below), whose sum is σ = 6237511488. Its totient is φ = 1422274560.
The previous prime is 3031420111. The next prime is 3031420207. The reversal of 3031420144 is 4410241303.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75129 + ... + 108199.
Almost surely, 23031420144 is an apocalyptic number.
3031420144 is a gapful number since it is divisible by the number (34) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 3031420144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3118755744).
3031420144 is an abundant number, since it is smaller than the sum of its proper divisors (3206091344).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3031420144 is a wasteful number, since it uses less digits than its factorization.
3031420144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33433 (or 33427 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 22.
The square root of 3031420144 is about 55058.3340103930. The cubic root of 3031420144 is about 1447.2671703612.
Adding to 3031420144 its reverse (4410241303), we get a palindrome (7441661447).
The spelling of 3031420144 in words is "three billion, thirty-one million, four hundred twenty thousand, one hundred forty-four".
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