Base | Representation |
---|---|
bin | 1110001101101011001… |
… | …10011001000000011001 |
3 | 1201200120220110012101001 |
4 | 13012311212121000121 |
5 | 31000144234410231 |
6 | 1012205140225001 |
7 | 50166314612110 |
oct | 7066546310031 |
9 | 1650526405331 |
10 | 488378044441 |
11 | 179135746251 |
12 | 7a79899b161 |
13 | 3709140b2b1 |
14 | 198cd8d2c77 |
15 | ca8568ab61 |
hex | 71b5999019 |
488378044441 has 4 divisors (see below), whose sum is σ = 558146336512. Its totient is φ = 418609752372.
The previous prime is 488378044439. The next prime is 488378044447. The reversal of 488378044441 is 144440873884.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 488378044441 - 21 = 488378044439 is a prime.
It is a super-2 number, since 2×4883780444412 (a number of 24 digits) contains 22 as substring.
It is the 698841-st Hogben number.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (488378044447) by changing a digit.
It is a nontrivial repunit in base 698840.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34884146025 + ... + 34884146038.
It is an arithmetic number, because the mean of its divisors is an integer number (139536584128).
Almost surely, 2488378044441 is an apocalyptic number.
It is an amenable number.
488378044441 is a deficient number, since it is larger than the sum of its proper divisors (69768292071).
488378044441 is an equidigital number, since it uses as much as digits as its factorization.
488378044441 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 69768292070.
The product of its (nonzero) digits is 11010048, while the sum is 55.
The spelling of 488378044441 in words is "four hundred eighty-eight billion, three hundred seventy-eight million, forty-four thousand, four hundred forty-one".
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