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68502012 = 2235708501
BaseRepresentation
bin1000001010101…
…00000111111100
311202220021002120
410011110013330
5120014031022
610444122540
71461154215
oct405240774
9152807076
1068502012
1135738637
121ab36450
1311265a47
14915240c
156031d5c
hex41541fc

68502012 has 12 divisors (see below), whose sum is σ = 159838056. Its totient is φ = 22834000.

The previous prime is 68501989. The next prime is 68502013. The reversal of 68502012 is 21020586.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68502013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2854239 + ... + 2854262.

It is an arithmetic number, because the mean of its divisors is an integer number (13319838).

Almost surely, 268502012 is an apocalyptic number.

It is an amenable number.

68502012 is an abundant number, since it is smaller than the sum of its proper divisors (91336044).

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

68502012 is a wasteful number, since it uses less digits than its factorization.

68502012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5708508 (or 5708506 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 68502012 is about 8276.5942270961. The cubic root of 68502012 is about 409.1674798265.

Adding to 68502012 its reverse (21020586), we get a palindrome (89522598).

The spelling of 68502012 in words is "sixty-eight million, five hundred two thousand, twelve".

Divisors: 1 2 3 4 6 12 5708501 11417002 17125503 22834004 34251006 68502012