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66751134 = 2311398453
BaseRepresentation
bin1111111010100…
…0101010011110
311122121022100020
43332220222132
5114042014014
610342413010
71440242502
oct376505236
9148538306
1066751134
113475212a
121a431166
1310aa1b18
148c18302
155cd81a9
hex3fa8a9e

66751134 has 16 divisors (see below), whose sum is σ = 134685072. Its totient is φ = 22053248.

The previous prime is 66751121. The next prime is 66751151. The reversal of 66751134 is 43115766.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 66751095 and 66751104.

It is a congruent 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, 48549 + ... + 49904.

It is an arithmetic number, because the mean of its divisors is an integer number (8417817).

Almost surely, 266751134 is an apocalyptic number.

66751134 is an abundant number, since it is smaller than the sum of its proper divisors (67933938).

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

66751134 is a wasteful number, since it uses less digits than its factorization.

66751134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98571.

The product of its digits is 15120, while the sum is 33.

The square root of 66751134 is about 8170.1367185623. The cubic root of 66751134 is about 405.6513098921.

The spelling of 66751134 in words is "sixty-six million, seven hundred fifty-one thousand, one hundred thirty-four".

Divisors: 1 2 3 6 113 226 339 678 98453 196906 295359 590718 11125189 22250378 33375567 66751134