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5212003663 = 61389219647
BaseRepresentation
bin1001101101010100…
…01101110101001111
3111110020022012220201
410312222031311033
541133233104123
62221103154331
7243105204646
oct46652156517
914406265821
105212003663
112235049549
1210155a59a7
13650a59749
143762ca35d
152078825ad
hex136a8dd4f

5212003663 has 8 divisors (see below), whose sum is σ = 5311088640. Its totient is φ = 5113358880.

The previous prime is 5212003661. The next prime is 5212003669. The reversal of 5212003663 is 3663002125.

5212003663 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5212003663 - 21 = 5212003661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5212003661) 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 7 ways as a sum of consecutive naturals, for example, 86095 + ... + 133552.

It is an arithmetic number, because the mean of its divisors is an integer number (663886080).

Almost surely, 25212003663 is an apocalyptic number.

5212003663 is a deficient number, since it is larger than the sum of its proper divisors (99084977).

5212003663 is a wasteful number, since it uses less digits than its factorization.

5212003663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220097.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 5212003663 is about 72194.2079601958. The cubic root of 5212003663 is about 1733.8102685802.

Adding to 5212003663 its reverse (3663002125), we get a palindrome (8875005788).

The spelling of 5212003663 in words is "five billion, two hundred twelve million, three thousand, six hundred sixty-three".

Divisors: 1 61 389 23729 219647 13398467 85442683 5212003663