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5147799779 is a prime number
BaseRepresentation
bin1001100101101010…
…10011000011100011
3111021202111022202002
410302311103003203
541020314043104
62210451114215
7241365401423
oct46265230343
914252438662
105147799779
112201887191
12bb7ba296b
1364066a195
1436b976483
15201dee01e
hex132d530e3

5147799779 has 2 divisors, whose sum is σ = 5147799780. Its totient is φ = 5147799778.

The previous prime is 5147799707. The next prime is 5147799841. The reversal of 5147799779 is 9779977415.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5147799779 - 228 = 4879364323 is a prime.

It is not a weakly prime, because it can be changed into another prime (5147799379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2573899889 + 2573899890.

It is an arithmetic number, because the mean of its divisors is an integer number (2573899890).

Almost surely, 25147799779 is an apocalyptic number.

5147799779 is a deficient number, since it is larger than the sum of its proper divisors (1).

5147799779 is an equidigital number, since it uses as much as digits as its factorization.

5147799779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35006580, while the sum is 65.

The square root of 5147799779 is about 71748.1691682791. The cubic root of 5147799779 is about 1726.6615403158.

The spelling of 5147799779 in words is "five billion, one hundred forty-seven million, seven hundred ninety-nine thousand, seven hundred seventy-nine".