Base | Representation |
---|---|
bin | 1110001111110110110… |
… | …01001000000110000000 |
3 | 1201210121111202111120211 |
4 | 13013323121020012000 |
5 | 31010044014104131 |
6 | 1012521245243504 |
7 | 50240323415230 |
oct | 7077331100600 |
9 | 1653544674524 |
10 | 489548972416 |
11 | 1796866a5819 |
12 | 7aa64b63594 |
13 | 37219b93c9a |
14 | 199a1215cc0 |
15 | cb033825b1 |
hex | 71fb648180 |
489548972416 has 64 divisors (see below), whose sum is σ = 1150552949760. Its totient is φ = 203038732800.
The previous prime is 489548972371. The next prime is 489548972503. The reversal of 489548972416 is 614279845984.
It is a tau number, because it is divible by the number of its divisors (64).
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, 8784670 + ... + 8840221.
It is an arithmetic number, because the mean of its divisors is an integer number (17977389840).
Almost surely, 2489548972416 is an apocalyptic number.
It is an amenable number.
489548972416 is an abundant number, since it is smaller than the sum of its proper divisors (661003977344).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
489548972416 is a wasteful number, since it uses less digits than its factorization.
489548972416 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17624943 (or 17624931 counting only the distinct ones).
The product of its digits is 139345920, while the sum is 67.
The spelling of 489548972416 in words is "four hundred eighty-nine billion, five hundred forty-eight million, nine hundred seventy-two thousand, four hundred sixteen".
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