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5998730321 = 6779884899
BaseRepresentation
bin1011001011000110…
…10101110001010001
3120111001200002000002
411211203111301101
544241133332241
62431125335345
7301440236453
oct54543256121
916431602002
105998730321
1125a9143971
1211b4b67555
13747a42b8c
1440c99c2d3
1525198689b
hex1658d5c51

5998730321 has 4 divisors (see below), whose sum is σ = 5999622000. Its totient is φ = 5997838644.

The previous prime is 5998730267. The next prime is 5998730327. The reversal of 5998730321 is 1230378995.

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 a de Polignac number, because none of the positive numbers 2k-5998730321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5998730327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 435671 + ... + 449228.

It is an arithmetic number, because the mean of its divisors is an integer number (1499905500).

Almost surely, 25998730321 is an apocalyptic number.

It is an amenable number.

5998730321 is a deficient number, since it is larger than the sum of its proper divisors (891679).

5998730321 is an equidigital number, since it uses as much as digits as its factorization.

5998730321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891678.

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 5998730321 is about 77451.4707478173. The cubic root of 5998730321 is about 1816.9924082422.

The spelling of 5998730321 in words is "five billion, nine hundred ninety-eight million, seven hundred thirty thousand, three hundred twenty-one".

Divisors: 1 6779 884899 5998730321