Base | Representation |
---|---|
bin | 1011101101010110… |
… | …1101100100000000 |
3 | 22010001011112001001 |
4 | 2323111231210000 |
5 | 22414103443130 |
6 | 1235514021344 |
7 | 140613215542 |
oct | 27325554400 |
9 | 8101145031 |
10 | 3143031040 |
11 | 1373182816 |
12 | 738717854 |
13 | 3b12133a6 |
14 | 21b5d9692 |
15 | 135de86ca |
hex | bb56d900 |
3143031040 has 72 divisors (see below), whose sum is σ = 7538864760. Its totient is φ = 1255489536.
The previous prime is 3143030959. The next prime is 3143031041. The reversal of 3143031040 is 401303413.
It can be written as a sum of positive squares in 4 ways, for example, as 258052096 + 2884978944 = 16064^2 + 53712^2 .
It is a junction number, because it is equal to n+sod(n) for n = 3143030999 and 3143031017.
It is not an unprimeable number, because it can be changed into a prime (3143031041) 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, 1367172 + ... + 1369468.
It is an arithmetic number, because the mean of its divisors is an integer number (104706455).
Almost surely, 23143031040 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 3143031040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3769432380).
3143031040 is an abundant number, since it is smaller than the sum of its proper divisors (4395833720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3143031040 is a wasteful number, since it uses less digits than its factorization.
3143031040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3387 (or 3373 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 19.
The square root of 3143031040 is about 56062.7419950184. The cubic root of 3143031040 is about 1464.8153758651.
Adding to 3143031040 its reverse (401303413), we get a palindrome (3544334453).
The spelling of 3143031040 in words is "three billion, one hundred forty-three million, thirty-one thousand, forty".
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