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66410224331 = 11311371421543
BaseRepresentation
bin111101110110010110…
…111001101011001011
320100102020112221102012
4331312112321223023
52042002004134311
650301453330135
74540464410243
oct756626715313
9210366487365
1066410224331
1126189927520
1210a5479694b
136354807239
1432ddd68b23
151ada3bd78b
hexf765b9acb

66410224331 has 16 divisors (see below), whose sum is σ = 75330459648. Its totient is φ = 57998913600.

The previous prime is 66410224301. The next prime is 66410224367. The reversal of 66410224331 is 13342201466.

It is a cyclic number.

It is not a de Polignac number, because 66410224331 - 26 = 66410224267 is a prime.

It is a super-2 number, since 2×664102243312 (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 (66410224301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 664055 + ... + 757488.

It is an arithmetic number, because the mean of its divisors is an integer number (4708153728).

Almost surely, 266410224331 is an apocalyptic number.

66410224331 is a deficient number, since it is larger than the sum of its proper divisors (8920235317).

66410224331 is a wasteful number, since it uses less digits than its factorization.

66410224331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421722.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 66410224331 its reverse (13342201466), we get a palindrome (79752425797).

The spelling of 66410224331 in words is "sixty-six billion, four hundred ten million, two hundred twenty-four thousand, three hundred thirty-one".

Divisors: 1 11 31 137 341 1507 4247 46717 1421543 15636973 44067833 194751391 484746163 2142265301 6037293121 66410224331