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2543152512 = 27327723909
BaseRepresentation
bin1001011110010101…
…0110110110000000
320120020101112101210
42113211112312000
520202021340022
61100204330120
7120010303545
oct22745266600
96506345353
102543152512
1110955a813a
125ab843940
13316b5ab94
141a1a84bcc
15ed401a0c
hex97956d80

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".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 277 384 554 831 1108 1662 2216 3324 4432 6648 8864 13296 17728 23909 26592 35456 47818 53184 71727 95636 106368 143454 191272 286908 382544 573816 765088 1147632 1530176 2295264 3060352 4590528 6622793 9181056 13245586 19868379 26491172 39736758 52982344 79473516 105964688 158947032 211929376 317894064 423858752 635788128 847717504 1271576256 2543152512