Base | Representation |
---|---|
bin | 1011010110010010011… |
… | …11011100101101001000 |
3 | 1101021110102112100000000 |
4 | 11223021033130231020 |
5 | 22342030332424132 |
6 | 455043414043000 |
7 | 40112443410006 |
oct | 5531117345510 |
9 | 1337412470000 |
10 | 389923326792 |
11 | 1404026096aa |
12 | 636a0649460 |
13 | 2aa00ab6b0c |
14 | 14c2dba1a76 |
15 | a221e4287c |
hex | 5ac93dcb48 |
389923326792 has 288 divisors, whose sum is σ = 1158510862080. Its totient is φ = 122834517120.
The previous prime is 389923326791. The next prime is 389923326817. The reversal of 389923326792 is 297623329983.
389923326792 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×3899233267922 (a number of 24 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (389923326791) by changing a digit.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 69963718 + ... + 69969290.
It is an arithmetic number, because the mean of its divisors is an integer number (4022607160).
Almost surely, 2389923326792 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 389923326792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (579255431040).
389923326792 is an abundant number, since it is smaller than the sum of its proper divisors (768587535288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
389923326792 is an equidigital number, since it uses as much as digits as its factorization.
389923326792 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5677 (or 5652 counting only the distinct ones).
The product of its digits is 52907904, while the sum is 63.
The spelling of 389923326792 in words is "three hundred eighty-nine billion, nine hundred twenty-three million, three hundred twenty-six thousand, seven hundred ninety-two".
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