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66630024489 = 373172858309
BaseRepresentation
bin111110000011011101…
…010111110100101001
320100222120010221112210
4332003131113310221
52042424241240424
650335344355333
74546103602110
oct760335276451
9210876127483
1066630024489
1126291a03646
1210ab6315b49
13638b2049c2
143321222c77
151aee839729
hexf83757d29

66630024489 has 8 divisors (see below), whose sum is σ = 101531465920. Its totient is φ = 38074299696.

The previous prime is 66630024401. The next prime is 66630024497. The reversal of 66630024489 is 98442003666.

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

It is not a de Polignac number, because 66630024489 - 28 = 66630024233 is a prime.

It is a super-2 number, since 2×666300244892 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66630004489) 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, 1586429134 + ... + 1586429175.

It is an arithmetic number, because the mean of its divisors is an integer number (12691433240).

Almost surely, 266630024489 is an apocalyptic number.

It is an amenable number.

66630024489 is a deficient number, since it is larger than the sum of its proper divisors (34901441431).

66630024489 is a wasteful number, since it uses less digits than its factorization.

66630024489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3172858319.

The product of its (nonzero) digits is 1492992, while the sum is 48.

The spelling of 66630024489 in words is "sixty-six billion, six hundred thirty million, twenty-four thousand, four hundred eighty-nine".

Divisors: 1 3 7 21 3172858309 9518574927 22210008163 66630024489