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66136112 = 2471931079
BaseRepresentation
bin1111110001001…
…0100000110000
311121110001200122
43330102200300
5113412323422
610321305412
71432101440
oct374224060
9147401618
1066136112
1134372049
121a195268
1310917bc3
148ad8120
155c15d42
hex3f12830

66136112 has 40 divisors (see below), whose sum is σ = 154156800. Its totient is φ = 26851392.

The previous prime is 66136111. The next prime is 66136127. The reversal of 66136112 is 21163166.

It is not an unprimeable number, because it can be changed into a prime (66136111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13412 + ... + 17667.

It is an arithmetic number, because the mean of its divisors is an integer number (3853920).

Almost surely, 266136112 is an apocalyptic number.

It is an amenable number.

66136112 is an abundant number, since it is smaller than the sum of its proper divisors (88020688).

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

66136112 is a wasteful number, since it uses less digits than its factorization.

66136112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31113 (or 31107 counting only the distinct ones).

The product of its digits is 1296, while the sum is 26.

The square root of 66136112 is about 8132.4112045567. The cubic root of 66136112 is about 404.4016200235.

Adding to 66136112 its reverse (21163166), we get a palindrome (87299278).

The spelling of 66136112 in words is "sixty-six million, one hundred thirty-six thousand, one hundred twelve".

Divisors: 1 2 4 7 8 14 16 19 28 38 56 76 112 133 152 266 304 532 1064 2128 31079 62158 124316 217553 248632 435106 497264 590501 870212 1181002 1740424 2362004 3480848 4133507 4724008 8267014 9448016 16534028 33068056 66136112