Base | Representation |
---|---|
bin | 1110001001000010101… |
… | …10110000000100000000 |
3 | 1201110011120111000101101 |
4 | 13010201112300010000 |
5 | 30430101033312413 |
6 | 1011114252344144 |
7 | 50050554434416 |
oct | 7044126600400 |
9 | 1643146430341 |
10 | 485890916608 |
11 | 1780798342a9 |
12 | 7a203a75054 |
13 | 36a86067b16 |
14 | 197354732b6 |
15 | c98c153edd |
hex | 71215b0100 |
485890916608 has 72 divisors (see below), whose sum is σ = 1036024787448. Its totient is φ = 226630828032.
The previous prime is 485890916593. The next prime is 485890916629. The reversal of 485890916608 is 806619098584.
It can be written as a sum of positive squares in 4 ways, for example, as 129968902144 + 355922014464 = 360512^2 + 596592^2 .
It is a Harshad number since it is a multiple of its sum of digits (64).
It is a self number, because there is not a number n which added to its sum of digits gives 485890916608.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2241 + ... + 985792.
It is an arithmetic number, because the mean of its divisors is an integer number (14389233159).
Almost surely, 2485890916608 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 485890916608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (518012393724).
485890916608 is an abundant number, since it is smaller than the sum of its proper divisors (550133870840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
485890916608 is a wasteful number, since it uses less digits than its factorization.
485890916608 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 988179 (or 988165 counting only the distinct ones).
The product of its (nonzero) digits is 29859840, while the sum is 64.
The spelling of 485890916608 in words is "four hundred eighty-five billion, eight hundred ninety million, nine hundred sixteen thousand, six hundred eight".
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