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66085284801 = 356809387763
BaseRepresentation
bin111101100010111111…
…010110101111000001
320022120121010022011210
4331202333112233001
52040320313103201
650205325000333
74526440436544
oct754277265701
9208517108153
1066085284801
1126032469658
12109839b30a9
1363023b6923
1432acb4285b
151abbad51d6
hexf62fd6bc1

66085284801 has 8 divisors (see below), whose sum is σ = 88115491360. Its totient is φ = 44055967392.

The previous prime is 66085284799. The next prime is 66085284841. The reversal of 66085284801 is 10848258066.

It is a happy number.

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

It is not a de Polignac number, because 66085284801 - 21 = 66085284799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66085284841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23455 + ... + 364308.

It is an arithmetic number, because the mean of its divisors is an integer number (11014436420).

Almost surely, 266085284801 is an apocalyptic number.

It is an amenable number.

66085284801 is a deficient number, since it is larger than the sum of its proper divisors (22030206559).

66085284801 is a wasteful number, since it uses less digits than its factorization.

66085284801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444575.

The product of its (nonzero) digits is 737280, while the sum is 48.

The spelling of 66085284801 in words is "sixty-six billion, eighty-five million, two hundred eighty-four thousand, eight hundred one".

Divisors: 1 3 56809 170427 387763 1163289 22028428267 66085284801