Base | Representation |
---|---|
bin | 10111010001111101111… |
… | …00101010100101000000 |
3 | 2211110201210121200220000 |
4 | 23220332330222211000 |
5 | 101101214010214423 |
6 | 1411251141520000 |
7 | 111535522606500 |
oct | 13507674524500 |
9 | 2743653550800 |
10 | 799920007488 |
11 | 289275a99188 |
12 | 10b043713000 |
13 | 5a58051c824 |
14 | 2aa058a1a00 |
15 | 15c1b290843 |
hex | ba3ef2a940 |
799920007488 has 420 divisors, whose sum is σ = 2767438051092. Its totient is φ = 227795742720.
The previous prime is 799920007451. The next prime is 799920007499. The reversal of 799920007488 is 884700029997.
799920007488 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 163384107264 + 636535900224 = 404208^2 + 797832^2 .
It is a Harshad number since it is a multiple of its sum of digits (63).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 79501978 + ... + 79512038.
Almost surely, 2799920007488 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 799920007488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1383719025546).
799920007488 is an abundant number, since it is smaller than the sum of its proper divisors (1967518043604).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
799920007488 is a wasteful number, since it uses less digits than its factorization.
799920007488 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10412 (or 10386 counting only the distinct ones).
The product of its (nonzero) digits is 18289152, while the sum is 63.
The spelling of 799920007488 in words is "seven hundred ninety-nine billion, nine hundred twenty million, seven thousand, four hundred eighty-eight".
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