Base | Representation |
---|---|
bin | 100000001000111… |
… | …0111100011011000 |
3 | 2210011020201002220 |
4 | 1000101313203120 |
5 | 4202034111231 |
6 | 255002224040 |
7 | 35503316406 |
oct | 10021674330 |
9 | 2704221086 |
10 | 1078425816 |
11 | 50381a306 |
12 | 2611b5020 |
13 | 142568bb0 |
14 | a3324476 |
15 | 64a23896 |
hex | 404778d8 |
1078425816 has 128 divisors (see below), whose sum is σ = 2982873600. Its totient is φ = 322882560.
The previous prime is 1078425811. The next prime is 1078425827. The reversal of 1078425816 is 6185248701.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1078425811) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1971255 + ... + 1971801.
It is an arithmetic number, because the mean of its divisors is an integer number (23303700).
Almost surely, 21078425816 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 1078425816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1491436800).
1078425816 is an abundant number, since it is smaller than the sum of its proper divisors (1904447784).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1078425816 is a wasteful number, since it uses less digits than its factorization.
1078425816 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 729 (or 725 counting only the distinct ones).
The product of its (nonzero) digits is 107520, while the sum is 42.
The square root of 1078425816 is about 32839.3942696877. The cubic root of 1078425816 is about 1025.4868410283.
The spelling of 1078425816 in words is "one billion, seventy-eight million, four hundred twenty-five thousand, eight hundred sixteen".
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