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6668329770 = 2325672694111
BaseRepresentation
bin1100011010111011…
…01010001100101010
3122012201122020202200
412031131222030222
5102124043023040
63021405241030
7324150603444
oct61535521452
918181566680
106668329770
112912109943
121361263176
13823699b7b
144738a1494
15290651630
hex18d76a32a

6668329770 has 96 divisors (see below), whose sum is σ = 17666138880. Its totient is φ = 1744744320.

The previous prime is 6668329739. The next prime is 6668329771. The reversal of 6668329770 is 779238666.

It is not an unprimeable number, because it can be changed into a prime (6668329771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1620015 + ... + 1624125.

It is an arithmetic number, because the mean of its divisors is an integer number (184022280).

Almost surely, 26668329770 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6668329770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8833069440).

6668329770 is an abundant number, since it is smaller than the sum of its proper divisors (10997809110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6668329770 is a wasteful number, since it uses less digits than its factorization.

6668329770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4460 (or 4457 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 54.

The square root of 6668329770 is about 81659.8418440790. The cubic root of 6668329770 is about 1882.2285487654.

The spelling of 6668329770 in words is "six billion, six hundred sixty-eight million, three hundred twenty-nine thousand, seven hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 67 90 134 201 269 335 402 538 603 670 807 1005 1206 1345 1614 2010 2421 2690 3015 4035 4111 4842 6030 8070 8222 12105 12333 18023 20555 24210 24666 36046 36999 41110 54069 61665 73998 90115 108138 123330 162207 180230 184995 270345 275437 324414 369990 540690 550874 811035 826311 1105859 1377185 1622070 1652622 2211718 2478933 2754370 3317577 4131555 4957866 5529295 6635154 8263110 9952731 11058590 12394665 16587885 19905462 24789330 33175770 49763655 74092553 99527310 148185106 222277659 370462765 444555318 666832977 740925530 1111388295 1333665954 2222776590 3334164885 6668329770