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28093499170 = 2511435939429
BaseRepresentation
bin11010001010100000…
…001100011100100010
32200111212212121220021
4122022200030130202
5430013413433140
620523405104054
72013116542252
oct321240143442
980455777807
1028093499170
1110a07058810
12554055802a
1328593c65b9
14150716b962
15ae6584b4a
hex68a80c722

28093499170 has 32 divisors (see below), whose sum is σ = 56448342720. Its totient is φ = 9978239040.

The previous prime is 28093499143. The next prime is 28093499171. The reversal of 28093499170 is 7199439082.

It is a happy number.

It is a super-2 number, since 2×280934991702 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28093499171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2964985 + ... + 2974444.

It is an arithmetic number, because the mean of its divisors is an integer number (1764010710).

Almost surely, 228093499170 is an apocalyptic number.

28093499170 is an abundant number, since it is smaller than the sum of its proper divisors (28354843550).

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

28093499170 is a wasteful number, since it uses less digits than its factorization.

28093499170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5939490.

The product of its (nonzero) digits is 979776, while the sum is 52.

The spelling of 28093499170 in words is "twenty-eight billion, ninety-three million, four hundred ninety-nine thousand, one hundred seventy".

Divisors: 1 2 5 10 11 22 43 55 86 110 215 430 473 946 2365 4730 5939429 11878858 29697145 59394290 65333719 130667438 255395447 326668595 510790894 653337190 1276977235 2553954470 2809349917 5618699834 14046749585 28093499170