Base | Representation |
---|---|
bin | 10101100111011111011… |
… | …011101000110110000000 |
3 | 12021000100220102210002212 |
4 | 111213133123220312000 |
5 | 143314312121001342 |
6 | 3054233535401252 |
7 | 212216244024062 |
oct | 25473733506600 |
9 | 5230326383085 |
10 | 1485512281472 |
11 | 523002a56a9a |
12 | 1bba9b083228 |
13 | aa110a627ab |
14 | 51c834b7732 |
15 | 28995527182 |
hex | 159df6e8d80 |
1485512281472 has 64 divisors (see below), whose sum is σ = 3017026726800. Its totient is φ = 728371353600.
The previous prime is 1485512281459. The next prime is 1485512281543. The reversal of 1485512281472 is 2741822155841.
It is a tau number, because it is divible by the number of its divisors (64).
It is a self number, because there is not a number n which added to its sum of digits gives 1485512281472.
It is a congruent number.
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, 2297054 + ... + 2871842.
Almost surely, 21485512281472 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 1485512281472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1508513363400).
1485512281472 is an abundant number, since it is smaller than the sum of its proper divisors (1531514445328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1485512281472 is an equidigital number, since it uses as much as digits as its factorization.
1485512281472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 575195 (or 575183 counting only the distinct ones).
The product of its digits is 1433600, while the sum is 50.
The spelling of 1485512281472 in words is "one trillion, four hundred eighty-five billion, five hundred twelve million, two hundred eighty-one thousand, four hundred seventy-two".
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