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28550554374 = 234758425729
BaseRepresentation
bin11010100101101111…
…101110001100000110
32201200201220102202210
4122211233232030012
5431432420214444
621041013244250
72030336464566
oct324557561406
981621812683
1028550554374
1111121053091
125649633686
1328cccc3674
14154bb44da6
15b217687b9
hex6a5bee306

28550554374 has 8 divisors (see below), whose sum is σ = 57101108760. Its totient is φ = 9516851456.

The previous prime is 28550554343. The next prime is 28550554379. The reversal of 28550554374 is 47345505582.

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

28550554374 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28550554379) 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, 2379212859 + ... + 2379212870.

It is an arithmetic number, because the mean of its divisors is an integer number (7137638595).

Almost surely, 228550554374 is an apocalyptic number.

28550554374 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28550554374 is a wasteful number, since it uses less digits than its factorization.

28550554374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4758425734.

The product of its (nonzero) digits is 3360000, while the sum is 48.

The spelling of 28550554374 in words is "twenty-eight billion, five hundred fifty million, five hundred fifty-four thousand, three hundred seventy-four".

Divisors: 1 2 3 6 4758425729 9516851458 14275277187 28550554374