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65315012 = 2272332679
BaseRepresentation
bin1111100100101…
…0000011000100
311112220100100112
43321022003010
5113210040022
610251532152
71422111530
oct371120304
9145810315
1065315012
1133961154
1219a5a058
13106bb249
148962bc0
155b028e2
hex3e4a0c4

65315012 has 12 divisors (see below), whose sum is σ = 130630080. Its totient is φ = 27992136.

The previous prime is 65315011. The next prime is 65315039. The reversal of 65315012 is 21051356.

65315012 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (65315011) 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 3 ways as a sum of consecutive naturals, for example, 1166312 + ... + 1166367.

It is an arithmetic number, because the mean of its divisors is an integer number (10885840).

Almost surely, 265315012 is an apocalyptic number.

It is an amenable number.

65315012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

65315012 is a wasteful number, since it uses less digits than its factorization.

65315012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2332690 (or 2332688 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 65315012 is about 8081.7703506101. The cubic root of 65315012 is about 402.7210559959.

Adding to 65315012 its reverse (21051356), we get a palindrome (86366368).

The spelling of 65315012 in words is "sixty-five million, three hundred fifteen thousand, twelve".

Divisors: 1 2 4 7 14 28 2332679 4665358 9330716 16328753 32657506 65315012