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66245424420230 = 25114143333922781
BaseRepresentation
bin11110000111111111101101…
…11111011001010110000110
322200120000000112021101112022
433003333312333121112012
532140331112122421410
6352520421114323142
716645034241542636
oct1703776677312606
9280500015241468
1066245424420230
111a120588085a20
12751a9827294b2
132ac6bbc050203
14125041d3966c6
1579d2decd7455
hex3c3ff6fd9586

66245424420230 has 64 divisors (see below), whose sum is σ = 133562405583936. Its totient is φ = 23447425536000.

The previous prime is 66245424420223. The next prime is 66245424420233. The reversal of 66245424420230 is 3202442454266.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66245424420233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15008561 + ... + 18914220.

It is an arithmetic number, because the mean of its divisors is an integer number (2086912587249).

Almost surely, 266245424420230 is an apocalyptic number.

66245424420230 is an abundant number, since it is smaller than the sum of its proper divisors (67316981163706).

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

66245424420230 is a wasteful number, since it uses less digits than its factorization.

66245424420230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33923273.

The product of its (nonzero) digits is 2211840, while the sum is 44.

Adding to 66245424420230 its reverse (3202442454266), we get a palindrome (69447866874496).

The spelling of 66245424420230 in words is "sixty-six trillion, two hundred forty-five billion, four hundred twenty-four million, four hundred twenty thousand, two hundred thirty".

Divisors: 1 2 5 10 11 22 41 55 82 110 205 410 433 451 866 902 2165 2255 4330 4510 4763 9526 17753 23815 35506 47630 88765 177530 195283 390566 976415 1952830 33922781 67845562 169613905 339227810 373150591 746301182 1390834021 1865752955 2781668042 3731505910 6954170105 13908340210 14688564173 15299174231 29377128346 30598348462 73442820865 76495871155 146885641730 152991742310 161574205903 323148411806 602231131093 807871029515 1204462262186 1615742059030 3011155655465 6022311310930 6624542442023 13249084884046 33122712210115 66245424420230