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5212444143 = 322744917047
BaseRepresentation
bin1001101101010111…
…11001010111101111
3111110021010121010210
410312223321113233
541133341203033
62221120433503
7243112021104
oct46653712757
914407117123
105212444143
11223531a485
121015778893
13650b8209a
143763a2aab
1520791cd63
hex136af95ef

5212444143 has 16 divisors (see below), whose sum is σ = 6996499200. Its totient is φ = 3451746816.

The previous prime is 5212444123. The next prime is 5212444151. The reversal of 5212444143 is 3414442125.

It is not a de Polignac number, because 5212444143 - 212 = 5212440047 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5212444143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5212444123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 297246 + ... + 314292.

It is an arithmetic number, because the mean of its divisors is an integer number (437281200).

Almost surely, 25212444143 is an apocalyptic number.

5212444143 is a deficient number, since it is larger than the sum of its proper divisors (1784055057).

5212444143 is a wasteful number, since it uses less digits than its factorization.

5212444143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17726.

The product of its digits is 15360, while the sum is 30.

The square root of 5212444143 is about 72197.2585559867. The cubic root of 5212444143 is about 1733.8591101443.

Adding to 5212444143 its reverse (3414442125), we get a palindrome (8626886268).

The spelling of 5212444143 in words is "five billion, two hundred twelve million, four hundred forty-four thousand, one hundred forty-three".

Divisors: 1 3 227 449 681 1347 17047 51141 101923 305769 3869669 7654103 11609007 22962309 1737481381 5212444143