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28810625043 = 367143336443
BaseRepresentation
bin11010110101001111…
…110100000000010011
32202100212021101122210
4122311033310000103
5433001010000133
621122503403203
72036645162244
oct326517640023
982325241583
1028810625043
1111244935022
125700753503
132941b50b35
1415744c2ccb
15b394db763
hex6b53f4013

28810625043 has 8 divisors (see below), whose sum is σ = 38987512768. Its totient is φ = 18920410344.

The previous prime is 28810625029. The next prime is 28810625057. The reversal of 28810625043 is 34052601882.

It is an interprime number because it is at equal distance from previous prime (28810625029) and next prime (28810625057).

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

It is not a de Polignac number, because 28810625043 - 216 = 28810559507 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28810624992 and 28810625010.

It is not an unprimeable number, because it can be changed into a prime (28810625003) 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 7 ways as a sum of consecutive naturals, for example, 71668021 + ... + 71668422.

It is an arithmetic number, because the mean of its divisors is an integer number (4873439096).

Almost surely, 228810625043 is an apocalyptic number.

28810625043 is a deficient number, since it is larger than the sum of its proper divisors (10176887725).

28810625043 is a wasteful number, since it uses less digits than its factorization.

28810625043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143336513.

The product of its (nonzero) digits is 92160, while the sum is 39.

The spelling of 28810625043 in words is "twenty-eight billion, eight hundred ten million, six hundred twenty-five thousand, forty-three".

Divisors: 1 3 67 201 143336443 430009329 9603541681 28810625043