Base | Representation |
---|---|
bin | 1101111101000111… |
… | …10110111000000000 |
3 | 201100010120222020020 |
4 | 12332203312320000 |
5 | 110320430210034 |
6 | 3235232213440 |
7 | 353442162543 |
oct | 67643667000 |
9 | 21303528206 |
10 | 7492038144 |
11 | 31a5073168 |
12 | 155109a280 |
13 | 925231086 |
14 | 51103c85a |
15 | 2dcb0d249 |
hex | 1be8f6e00 |
7492038144 has 80 divisors (see below), whose sum is σ = 20240668800. Its totient is φ = 2462136320.
The previous prime is 7492038137. The next prime is 7492038173. The reversal of 7492038144 is 4418302947.
It is a super-2 number, since 2×74920381442 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 7492038096 and 7492038105.
It is a congruent number.
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 7 ways as a sum of consecutive naturals, for example, 74707 + ... + 143405.
It is an arithmetic number, because the mean of its divisors is an integer number (253008360).
Almost surely, 27492038144 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 7492038144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10120334400).
7492038144 is an abundant number, since it is smaller than the sum of its proper divisors (12748630656).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7492038144 is an equidigital number, since it uses as much as digits as its factorization.
7492038144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 68791 (or 68775 counting only the distinct ones).
The product of its (nonzero) digits is 193536, while the sum is 42.
The square root of 7492038144 is about 86556.5603752829. The cubic root of 7492038144 is about 1956.7409172819.
The spelling of 7492038144 in words is "seven billion, four hundred ninety-two million, thirty-eight thousand, one hundred forty-four".
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