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5181028679 is a prime number
BaseRepresentation
bin1001101001101000…
…00011100101000111
3111101002000112020002
410310310003211013
541102320404204
62214035231515
7242251005611
oct46464034507
914332015202
105181028679
112219612592
12100714859b
13647502a58
14372145db1
15204cb491e
hex134d03947

5181028679 has 2 divisors, whose sum is σ = 5181028680. Its totient is φ = 5181028678.

The previous prime is 5181028631. The next prime is 5181028747. The reversal of 5181028679 is 9768201815.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5181028679 - 28 = 5181028423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5181028609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2590514339 + 2590514340.

It is an arithmetic number, because the mean of its divisors is an integer number (2590514340).

Almost surely, 25181028679 is an apocalyptic number.

5181028679 is a deficient number, since it is larger than the sum of its proper divisors (1).

5181028679 is an equidigital number, since it uses as much as digits as its factorization.

5181028679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 47.

The square root of 5181028679 is about 71979.3628688112. The cubic root of 5181028679 is about 1730.3687586397.

The spelling of 5181028679 in words is "five billion, one hundred eighty-one million, twenty-eight thousand, six hundred seventy-nine".