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75386000012 = 2231896830917
BaseRepresentation
bin100011000110101011…
…0110001001010001100
321012120210001120220112
41012031112301022030
52213342304000022
654344251335152
75306064266411
oct1061526611214
9235523046815
1075386000012
1129a75482654
121273a7514b8
1371552553cb
143912076108
151e633b28e2
hex118d5b128c

75386000012 has 24 divisors (see below), whose sum is σ = 137711306880. Its totient is φ = 36067236480.

The previous prime is 75386000003. The next prime is 75386000023. The reversal of 75386000012 is 21000068357.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3404423 + ... + 3426494.

It is an arithmetic number, because the mean of its divisors is an integer number (5737971120).

Almost surely, 275386000012 is an apocalyptic number.

It is an amenable number.

75386000012 is a deficient number, since it is larger than the sum of its proper divisors (62325306868).

75386000012 is a wasteful number, since it uses less digits than its factorization.

75386000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6831041 (or 6831039 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

Adding to 75386000012 its reverse (21000068357), we get a palindrome (96386068369).

The spelling of 75386000012 in words is "seventy-five billion, three hundred eighty-six million, twelve", and thus it is an aban number.

Divisors: 1 2 4 31 62 89 124 178 356 2759 5518 11036 6830917 13661834 27323668 211758427 423516854 607951613 847033708 1215903226 2431806452 18846500003 37693000006 75386000012