Base | Representation |
---|---|
bin | 111010101010010… |
… | …0100001001100000 |
3 | 12002011202021120221 |
4 | 1311110210021200 |
5 | 13012342401331 |
6 | 523152012424 |
7 | 66530326324 |
oct | 16524441140 |
9 | 5064667527 |
10 | 1968325216 |
11 | 920082960 |
12 | 46b231114 |
13 | 254a36ca0 |
14 | 1495b1984 |
15 | b7c07711 |
hex | 75524260 |
1968325216 has 96 divisors (see below), whose sum is σ = 4792435200. Its totient is φ = 782369280.
The previous prime is 1968325193. The next prime is 1968325217. The reversal of 1968325216 is 6125238691.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1968325217) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75625 + ... + 98263.
It is an arithmetic number, because the mean of its divisors is an integer number (49921200).
Almost surely, 21968325216 is an apocalyptic number.
1968325216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1968325216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2396217600).
1968325216 is an abundant number, since it is smaller than the sum of its proper divisors (2824109984).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1968325216 is a wasteful number, since it uses less digits than its factorization.
1968325216 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22692 (or 22684 counting only the distinct ones).
The product of its digits is 155520, while the sum is 43.
The square root of 1968325216 is about 44365.8113416175. The cubic root of 1968325216 is about 1253.2343367812.
It can be divided in two parts, 1968 and 325216, that added together give a square (327184 = 5722).
The spelling of 1968325216 in words is "one billion, nine hundred sixty-eight million, three hundred twenty-five thousand, two hundred sixteen".
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