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65103112 = 238137889
BaseRepresentation
bin1111100001011…
…0010100001000
311112111120200101
43320112110020
5113131244422
610243215144
71420236664
oct370262410
9145446611
1065103112
1133826a28
12199774b4
1310645969
1489098a4
155aaec27
hex3e16508

65103112 has 8 divisors (see below), whose sum is σ = 122068350. Its totient is φ = 32551552.

The previous prime is 65103089. The next prime is 65103119. The reversal of 65103112 is 21130156.

It can be written as a sum of positive squares in only one way, i.e., 64866916 + 236196 = 8054^2 + 486^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 65103112.

It is not an unprimeable number, because it can be changed into a prime (65103119) 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 as a sum of consecutive naturals, namely, 4068937 + ... + 4068952.

Almost surely, 265103112 is an apocalyptic number.

It is an amenable number.

65103112 is a deficient number, since it is larger than the sum of its proper divisors (56965238).

65103112 is a wasteful number, since it uses less digits than its factorization.

65103112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8137895 (or 8137891 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 65103112 is about 8068.6499490311. The cubic root of 65103112 is about 402.2850712657.

Adding to 65103112 its reverse (21130156), we get a palindrome (86233268).

The spelling of 65103112 in words is "sixty-five million, one hundred three thousand, one hundred twelve".

Divisors: 1 2 4 8 8137889 16275778 32551556 65103112