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66310102 = 2534191493
BaseRepresentation
bin1111110011110…
…0111111010110
311121202220100201
43330330333112
5113433410402
610325131114
71433424625
oct374747726
9147686321
1066310102
1134480841
121a259a9a
1310979161
148b416bc
155c4c687
hex3f3cfd6

66310102 has 16 divisors (see below), whose sum is σ = 101651760. Its totient is φ = 32430112.

The previous prime is 66310093. The next prime is 66310103. The reversal of 66310102 is 20101366.

It is a self number, because there is not a number n which added to its sum of digits gives 66310102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66310103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43668 + ... + 45160.

It is an arithmetic number, because the mean of its divisors is an integer number (6353235).

Almost surely, 266310102 is an apocalyptic number.

66310102 is a deficient number, since it is larger than the sum of its proper divisors (35341658).

66310102 is a wasteful number, since it uses less digits than its factorization.

66310102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1967.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 66310102 is about 8143.1014975868. The cubic root of 66310102 is about 404.7559409506.

Adding to 66310102 its reverse (20101366), we get a palindrome (86411468).

The spelling of 66310102 in words is "sixty-six million, three hundred ten thousand, one hundred two".

Divisors: 1 2 53 106 419 838 1493 2986 22207 44414 79129 158258 625567 1251134 33155051 66310102