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28112285702 = 2109128955439
BaseRepresentation
bin11010001011100111…
…110111000000000110
32200120012020002011202
4122023213313000012
5430033221120302
620525315502502
72013435325424
oct321347670006
980505202152
1028112285702
1110a1671a376
1255468b7a32
1328602735a7
14150985c114
15ae8046202
hex68b9f7006

28112285702 has 8 divisors (see below), whose sum is σ = 42555295200. Its totient is φ = 13927187304.

The previous prime is 28112285701. The next prime is 28112285711. The reversal of 28112285702 is 20758221182.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28112285701) 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, 64477502 + ... + 64477937.

It is an arithmetic number, because the mean of its divisors is an integer number (5319411900).

Almost surely, 228112285702 is an apocalyptic number.

28112285702 is a deficient number, since it is larger than the sum of its proper divisors (14443009498).

28112285702 is a wasteful number, since it uses less digits than its factorization.

28112285702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128955550.

The product of its (nonzero) digits is 35840, while the sum is 38.

The spelling of 28112285702 in words is "twenty-eight billion, one hundred twelve million, two hundred eighty-five thousand, seven hundred two".

Divisors: 1 2 109 218 128955439 257910878 14056142851 28112285702