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5212002543 = 311881917909
BaseRepresentation
bin1001101101010100…
…01101100011101111
3111110020022011101020
410312222031203233
541133233040133
62221103145223
7243105201456
oct46652154357
914406264336
105212002543
112235048720
1210155a5213
13650a59097
143762c9b9d
152078820b3
hex136a8d8ef

5212002543 has 16 divisors (see below), whose sum is σ = 7582377600. Its totient is φ = 3158254880.

The previous prime is 5212002529. The next prime is 5212002553. The reversal of 5212002543 is 3452002125.

It is not a de Polignac number, because 5212002543 - 224 = 5195225327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5212002553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282073 + ... + 299981.

It is an arithmetic number, because the mean of its divisors is an integer number (473898600).

Almost surely, 25212002543 is an apocalyptic number.

5212002543 is a deficient number, since it is larger than the sum of its proper divisors (2370375057).

5212002543 is a wasteful number, since it uses less digits than its factorization.

5212002543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26742.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 5212002543 is about 72194.2002033404. The cubic root of 5212002543 is about 1733.8101443882.

Adding to 5212002543 its reverse (3452002125), we get a palindrome (8664004668).

The spelling of 5212002543 in words is "five billion, two hundred twelve million, two thousand, five hundred forty-three".

Divisors: 1 3 11 33 8819 17909 26457 53727 97009 196999 291027 590997 157939471 473818413 1737334181 5212002543