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28076858142 = 234679476357
BaseRepresentation
bin11010001001100000…
…101101101100011110
32200110201120011200220
4122021200231230132
5430000133430032
620522012302210
72012525233164
oct321140555436
980421504626
1028076858142
11109a87220a3
125536a71966
132855b1b038
141504c79234
15ae4d9912c
hex68982db1e

28076858142 has 8 divisors (see below), whose sum is σ = 56153716296. Its totient is φ = 9358952712.

The previous prime is 28076858141. The next prime is 28076858153. The reversal of 28076858142 is 24185867082.

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

28076858142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28076858141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2339738173 + ... + 2339738184.

It is an arithmetic number, because the mean of its divisors is an integer number (7019214537).

Almost surely, 228076858142 is an apocalyptic number.

28076858142 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.

28076858142 is a wasteful number, since it uses less digits than its factorization.

28076858142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4679476362.

The product of its (nonzero) digits is 1720320, while the sum is 51.

The spelling of 28076858142 in words is "twenty-eight billion, seventy-six million, eight hundred fifty-eight thousand, one hundred forty-two".

Divisors: 1 2 3 6 4679476357 9358952714 14038429071 28076858142