Base | Representation |
---|---|
bin | 1110010000100110001… |
… | …10001001010110000000 |
3 | 1201211122020001121122122 |
4 | 13020103012021112000 |
5 | 31011402320244414 |
6 | 1013024533023412 |
7 | 50253222545111 |
oct | 7102306112600 |
9 | 1654566047578 |
10 | 489946649984 |
11 | 179870124870 |
12 | 7ab56184b68 |
13 | 372813a145c |
14 | 199dbd74208 |
15 | cb28237b8e |
hex | 7213189580 |
489946649984 has 32 divisors (see below), whose sum is σ = 1064798830440. Its totient is φ = 222703022080.
The previous prime is 489946649963. The next prime is 489946649999.
489946649984 is nontrivially palindromic in base 10.
It is a tau number, because it is divible by the number of its divisors (32).
It is a junction number, because it is equal to n+sod(n) for n = 489946649899 and 489946649908.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173985329 + ... + 173988144.
Almost surely, 2489946649984 is an apocalyptic number.
489946649984 is a gapful number since it is divisible by the number (44) formed by its first and last digit.
It is an amenable number.
489946649984 is an abundant number, since it is smaller than the sum of its proper divisors (574852180456).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
489946649984 is a wasteful number, since it uses less digits than its factorization.
489946649984 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 347973498 (or 347973486 counting only the distinct ones).
The product of its digits is 3869835264, while the sum is 80.
The spelling of 489946649984 in words is "four hundred eighty-nine billion, nine hundred forty-six million, six hundred forty-nine thousand, nine hundred eighty-four".
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