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28342555895 = 519129678069
BaseRepresentation
bin11010011001010110…
…010001010011110111
32201011020112000111102
4122121112101103313
5431021143242040
621004223200315
72022232515203
oct323126212367
981136460442
1028342555895
11110246a7815
1255aba4609b
132898b98844
14152c27db03
15b0d37e515
hex6995914f7

28342555895 has 8 divisors (see below), whose sum is σ = 34189136640. Its totient is φ = 22555331680.

The previous prime is 28342555861. The next prime is 28342555909. The reversal of 28342555895 is 59855524382.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28342555895 - 26 = 28342555831 is a prime.

It is a super-2 number, since 2×283425558952 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28342555895.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 14838080 + ... + 14839989.

It is an arithmetic number, because the mean of its divisors is an integer number (4273642080).

Almost surely, 228342555895 is an apocalyptic number.

28342555895 is a deficient number, since it is larger than the sum of its proper divisors (5846580745).

28342555895 is a wasteful number, since it uses less digits than its factorization.

28342555895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29678265.

The product of its digits is 17280000, while the sum is 56.

The spelling of 28342555895 in words is "twenty-eight billion, three hundred forty-two million, five hundred fifty-five thousand, eight hundred ninety-five".

Divisors: 1 5 191 955 29678069 148390345 5668511179 28342555895