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28321075342 = 2717911301307
BaseRepresentation
bin11010011000000100…
…010101000010001110
32201002202002200201101
4122120010111002032
5431000143402332
621002134533314
72021552111530
oct323004250216
981082080641
1028321075342
111101356609a
1255a480723a
1328945b7561
14152948b850
15b0b539ae7
hex69811508e

28321075342 has 16 divisors (see below), whose sum is σ = 48821650560. Its totient is φ = 12069794808.

The previous prime is 28321075331. The next prime is 28321075351. The reversal of 28321075342 is 24357012382.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5648148 + ... + 5653159.

It is an arithmetic number, because the mean of its divisors is an integer number (3051353160).

Almost surely, 228321075342 is an apocalyptic number.

28321075342 is a deficient number, since it is larger than the sum of its proper divisors (20500575218).

28321075342 is a wasteful number, since it uses less digits than its factorization.

28321075342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11301495.

The product of its (nonzero) digits is 80640, while the sum is 37.

The spelling of 28321075342 in words is "twenty-eight billion, three hundred twenty-one million, seventy-five thousand, three hundred forty-two".

Divisors: 1 2 7 14 179 358 1253 2506 11301307 22602614 79109149 158218298 2022933953 4045867906 14160537671 28321075342