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66130207316 = 2243338181413
BaseRepresentation
bin111101100101101010…
…101110001001010100
320022200201122121021122
4331211222232021110
52040413313113231
650214011503112
74530524326145
oct754552561124
9208621577248
1066130207316
11260558615a8
1210996a57a98
13630b7b4bb4
1432b4ab7acc
151ac0a0a77b
hexf65aae254

66130207316 has 12 divisors (see below), whose sum is σ = 115995135732. Its totient is φ = 32988739968.

The previous prime is 66130207303. The next prime is 66130207327. The reversal of 66130207316 is 61370203166.

It can be written as a sum of positive squares in 2 ways, for example, as 30199488400 + 35930718916 = 173780^2 + 189554^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 19088975 + ... + 19092438.

It is an arithmetic number, because the mean of its divisors is an integer number (9666261311).

Almost surely, 266130207316 is an apocalyptic number.

It is an amenable number.

66130207316 is a deficient number, since it is larger than the sum of its proper divisors (49864928416).

66130207316 is a wasteful number, since it uses less digits than its factorization.

66130207316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38181850 (or 38181848 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 35.

The spelling of 66130207316 in words is "sixty-six billion, one hundred thirty million, two hundred seven thousand, three hundred sixteen".

Divisors: 1 2 4 433 866 1732 38181413 76362826 152725652 16532551829 33065103658 66130207316