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6646242023 = 9769719829
BaseRepresentation
bin1100011000010010…
…11001101011100111
3122011012002002001222
412030021121223213
5102102414221043
63015300010555
7323462060621
oct61411315347
918135062058
106646242023
1129006a3003
121355990a5b
1381bc353b5
14470991c11
1528d73bd68
hex18c259ae7

6646242023 has 8 divisors (see below), whose sum is σ = 6716406480. Its totient is φ = 6576111360.

The previous prime is 6646242017. The next prime is 6646242037. The reversal of 6646242023 is 3202426466.

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

It is a cyclic number.

It is not a de Polignac number, because 6646242023 - 214 = 6646225639 is a prime.

It is a super-2 number, since 2×66462420232 = 88345066056582265058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6646242073) 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 7 ways as a sum of consecutive naturals, for example, 671273 + ... + 681101.

It is an arithmetic number, because the mean of its divisors is an integer number (839550810).

Almost surely, 26646242023 is an apocalyptic number.

6646242023 is a deficient number, since it is larger than the sum of its proper divisors (70164457).

6646242023 is an equidigital number, since it uses as much as digits as its factorization.

6646242023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16897.

The product of its (nonzero) digits is 82944, while the sum is 35.

The square root of 6646242023 is about 81524.4872599638. The cubic root of 6646242023 is about 1880.1480590161.

Adding to 6646242023 its reverse (3202426466), we get a palindrome (9848668489).

The spelling of 6646242023 in words is "six billion, six hundred forty-six million, two hundred forty-two thousand, twenty-three".

Divisors: 1 97 6971 9829 676187 953413 68517959 6646242023