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28022009060 = 2252360917411
BaseRepresentation
bin11010000110001111…
…011110110011100100
32200022220100112220102
4122012033132303210
5424342113242220
620512332523232
72011261101263
oct320617366344
980286315812
1028022009060
111097a76a181
125520620518
132847655766
1414db87c5da
15ae0162775
hex6863dece4

28022009060 has 24 divisors (see below), whose sum is σ = 61404751296. Its totient is φ = 10721464160.

The previous prime is 28022009051. The next prime is 28022009131. The reversal of 28022009060 is 6090022082.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 30458246 + ... + 30459165.

It is an arithmetic number, because the mean of its divisors is an integer number (2558531304).

Almost surely, 228022009060 is an apocalyptic number.

28022009060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28022009060 is an abundant number, since it is smaller than the sum of its proper divisors (33382742236).

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

28022009060 is a wasteful number, since it uses less digits than its factorization.

28022009060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60917443 (or 60917441 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 28022009060 in words is "twenty-eight billion, twenty-two million, nine thousand, sixty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 60917411 121834822 243669644 304587055 609174110 1218348220 1401100453 2802200906 5604401812 7005502265 14011004530 28022009060