Base | Representation |
---|---|
bin | 1001011110010101… |
… | …0110110110000000 |
3 | 20120020101112101210 |
4 | 2113211112312000 |
5 | 20202021340022 |
6 | 1100204330120 |
7 | 120010303545 |
oct | 22745266600 |
9 | 6506345353 |
10 | 2543152512 |
11 | 10955a813a |
12 | 5ab843940 |
13 | 316b5ab94 |
14 | 1a1a84bcc |
15 | ed401a0c |
hex | 97956d80 |
2543152512 has 64 divisors (see below), whose sum is σ = 6779919600. Its totient is φ = 844621824.
The previous prime is 2543152501. The next prime is 2543152517. The reversal of 2543152512 is 2152513452.
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 2543152512.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2543152517) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94414 + ... + 118322.
Almost surely, 22543152512 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 2543152512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3389959800).
2543152512 is an abundant number, since it is smaller than the sum of its proper divisors (4236767088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2543152512 is a wasteful number, since it uses less digits than its factorization.
2543152512 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24203 (or 24191 counting only the distinct ones).
The product of its digits is 12000, while the sum is 30.
The square root of 2543152512 is about 50429.6788805957. The cubic root of 2543152512 is about 1364.9732335183.
Adding to 2543152512 its reverse (2152513452), we get a palindrome (4695665964).
The spelling of 2543152512 in words is "two billion, five hundred forty-three million, one hundred fifty-two thousand, five hundred twelve".
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