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28340210742 = 234723368457
BaseRepresentation
bin11010011001001101…
…010100110000110110
32201011002002212112220
4122121031110300312
5431020043220432
621004101023210
72022203550054
oct323115246066
981132085486
1028340210742
1111023345878
1255ab0b4b06
13289855728c
14152bc2d1d4
15b0d06972c
hex699354c36

28340210742 has 8 divisors (see below), whose sum is σ = 56680421496. Its totient is φ = 9446736912.

The previous prime is 28340210693. The next prime is 28340210747. The reversal of 28340210742 is 24701204382.

It is a happy number.

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

28340210742 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28340210747) 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, 2361684223 + ... + 2361684234.

It is an arithmetic number, because the mean of its divisors is an integer number (7085052687).

Almost surely, 228340210742 is an apocalyptic number.

28340210742 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.

28340210742 is a wasteful number, since it uses less digits than its factorization.

28340210742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4723368462.

The product of its (nonzero) digits is 21504, while the sum is 33.

The spelling of 28340210742 in words is "twenty-eight billion, three hundred forty million, two hundred ten thousand, seven hundred forty-two".

Divisors: 1 2 3 6 4723368457 9446736914 14170105371 28340210742