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30314428728887 = 54315581739777
BaseRepresentation
bin1101110010010001000001…
…10000011000011000110111
310222100000211122211011021102
412321020200300120120313
512433132422223311022
6144250131210040315
76246100542444542
oct671104060303067
9128300748734242
1030314428728887
1197283057a3986
123497180a1909b
1313bb83b639854
1476b3248c7859
15378834056a92
hex1b9220c18637

30314428728887 has 4 divisors (see below), whose sum is σ = 30320010474096. Its totient is φ = 30308846983680.

The previous prime is 30314428728821. The next prime is 30314428728919. The reversal of 30314428728887 is 78882782441303.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30314428728887 - 28 = 30314428728631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30314728728887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2790864458 + ... + 2790875319.

It is an arithmetic number, because the mean of its divisors is an integer number (7580002618524).

Almost surely, 230314428728887 is an apocalyptic number.

30314428728887 is a deficient number, since it is larger than the sum of its proper divisors (5581745209).

30314428728887 is an equidigital number, since it uses as much as digits as its factorization.

30314428728887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5581745208.

The product of its (nonzero) digits is 115605504, while the sum is 65.

The spelling of 30314428728887 in words is "thirty trillion, three hundred fourteen billion, four hundred twenty-eight million, seven hundred twenty-eight thousand, eight hundred eighty-seven".

Divisors: 1 5431 5581739777 30314428728887