Base | Representation |
---|---|
bin | 1011100011110101… |
… | …1110101100010000 |
3 | 22000021002001012102 |
4 | 2320331132230100 |
5 | 22323344433430 |
6 | 1231530415532 |
7 | 136620056306 |
oct | 27075365420 |
9 | 8007061172 |
10 | 3103124240 |
11 | 13526a6197 |
12 | 7272915a8 |
13 | 3a5b800b8 |
14 | 2161ac276 |
15 | 132664345 |
hex | b8f5eb10 |
3103124240 has 160 divisors (see below), whose sum is σ = 7990202880. Its totient is φ = 1115799552.
The previous prime is 3103124239. The next prime is 3103124261. The reversal of 3103124240 is 424213013.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2747996 + ... + 2749124.
It is an arithmetic number, because the mean of its divisors is an integer number (49938768).
Almost surely, 23103124240 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 3103124240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3995101440).
3103124240 is an abundant number, since it is smaller than the sum of its proper divisors (4887078640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3103124240 is a wasteful number, since it uses less digits than its factorization.
3103124240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1249 (or 1243 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 20.
The square root of 3103124240 is about 55705.6930663285. The cubic root of 3103124240 is about 1458.5894050758.
Adding to 3103124240 its reverse (424213013), we get a palindrome (3527337253).
The spelling of 3103124240 in words is "three billion, one hundred three million, one hundred twenty-four thousand, two hundred forty".
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