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5198729513 = 9915245943
BaseRepresentation
bin1001101011101111…
…00101000100101001
3111102022022211012112
410311313211010221
541121333321023
62215510452105
7242554320545
oct46567450451
914368284175
105198729513
11222860247a
121011064035
1364b08c813
14374632a25
1520660e478
hex135de5129

5198729513 has 4 divisors (see below), whose sum is σ = 5203976448. Its totient is φ = 5193482580.

The previous prime is 5198729509. The next prime is 5198729519. The reversal of 5198729513 is 3159278915.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5198729513 - 22 = 5198729509 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5198729519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2621981 + ... + 2623962.

It is an arithmetic number, because the mean of its divisors is an integer number (1300994112).

Almost surely, 25198729513 is an apocalyptic number.

It is an amenable number.

5198729513 is a deficient number, since it is larger than the sum of its proper divisors (5246935).

5198729513 is an equidigital number, since it uses as much as digits as its factorization.

5198729513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5246934.

The product of its digits is 680400, while the sum is 50.

The square root of 5198729513 is about 72102.2157287833. The cubic root of 5198729513 is about 1732.3371036094.

The spelling of 5198729513 in words is "five billion, one hundred ninety-eight million, seven hundred twenty-nine thousand, five hundred thirteen".

Divisors: 1 991 5245943 5198729513