Base | Representation |
---|---|
bin | 100100010100111… |
… | …1011110100100010 |
3 | 10010221200012110020 |
4 | 1020221323310202 |
5 | 4444022434412 |
6 | 320542214310 |
7 | 42130632216 |
oct | 11051736442 |
9 | 3127605406 |
10 | 1218952482 |
11 | 576081050 |
12 | 2a0284396 |
13 | 1656cbb77 |
14 | b7c64946 |
15 | 7203118c |
hex | 48a7bd22 |
1218952482 has 48 divisors (see below), whose sum is σ = 2780271648. Its totient is φ = 353309440.
The previous prime is 1218952387. The next prime is 1218952487. The reversal of 1218952482 is 2842598121.
It is a super-3 number, since 3×12189524823 (a number of 28 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (1218952487) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17458 + ... + 52370.
It is an arithmetic number, because the mean of its divisors is an integer number (57922326).
Almost surely, 21218952482 is an apocalyptic number.
It is a pronic number, being equal to 34913×34914.
It is a practical number, because each smaller number is the sum of distinct divisors of 1218952482, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1390135824).
1218952482 is an abundant number, since it is smaller than the sum of its proper divisors (1561319166).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1218952482 is a wasteful number, since it uses less digits than its factorization.
1218952482 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34975 (or 34952 counting only the distinct ones).
The product of its digits is 92160, while the sum is 42.
The square root of 1218952482 is about 34913.4999964197. The cubic root of 1218952482 is about 1068.2238217796.
The spelling of 1218952482 in words is "one billion, two hundred eighteen million, nine hundred fifty-two thousand, four hundred eighty-two".
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