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66430742214 = 2311071790369
BaseRepresentation
bin111101110111100101…
…001010111011000110
320100110200011100122210
4331313211022323012
52042022232222324
650303505204250
74541133664164
oct756745127306
9210420140583
1066430742214
112619a470951
1210a5b630686
136358b3c2b5
14330298a234
151adc0c2d29
hexf7794aec6

66430742214 has 8 divisors (see below), whose sum is σ = 132861484440. Its totient is φ = 22143580736.

The previous prime is 66430742171. The next prime is 66430742227. The reversal of 66430742214 is 41224703466.

It is a sphenic number, since it is the product of 3 distinct primes.

66430742214 is an admirable number.

It is a super-2 number, since 2×664307422142 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5535895179 + ... + 5535895190.

It is an arithmetic number, because the mean of its divisors is an integer number (16607685555).

Almost surely, 266430742214 is an apocalyptic number.

66430742214 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.

66430742214 is a wasteful number, since it uses less digits than its factorization.

66430742214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11071790374.

The product of its (nonzero) digits is 193536, while the sum is 39.

The spelling of 66430742214 in words is "sixty-six billion, four hundred thirty million, seven hundred forty-two thousand, two hundred fourteen".

Divisors: 1 2 3 6 11071790369 22143580738 33215371107 66430742214