Base | Representation |
---|---|
bin | 1110001110110010001… |
… | …00010101000001000101 |
3 | 1201202010101010220020221 |
4 | 13013121010111001011 |
5 | 31002404103014411 |
6 | 1012344154224341 |
7 | 50220131505250 |
oct | 7073104250105 |
9 | 1652111126227 |
10 | 488973094981 |
11 | 179410623558 |
12 | 7a9241250b1 |
13 | 371577930c7 |
14 | 1994894c097 |
15 | cabca2c071 |
hex | 71d9115045 |
488973094981 has 8 divisors (see below), whose sum is σ = 558903755520. Its totient is φ = 419061774768.
The previous prime is 488973094957. The next prime is 488973095011. The reversal of 488973094981 is 189490379884.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 488973094981 - 29 = 488973094469 is a prime.
It is a super-2 number, since 2×4889730949812 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 488973094981.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (488973394981) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4780861 + ... + 4882066.
It is an arithmetic number, because the mean of its divisors is an integer number (69862969440).
Almost surely, 2488973094981 is an apocalyptic number.
It is an amenable number.
488973094981 is a deficient number, since it is larger than the sum of its proper divisors (69930660539).
488973094981 is an equidigital number, since it uses as much as digits as its factorization.
488973094981 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9670163.
The product of its (nonzero) digits is 125411328, while the sum is 70.
The spelling of 488973094981 in words is "four hundred eighty-eight billion, nine hundred seventy-three million, ninety-four thousand, nine hundred eighty-one".
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