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66130043253430 = 25134112407137571
BaseRepresentation
bin11110000100101000110011…
…01111001011001010110110
322200010222012102020211001011
433002110121233023022312
532131433312033102210
6352351420015422434
716633511056032352
oct1702243157131266
9280128172224034
1066130043253430
111a086659456622
127500541824a1a
132ab9061a48450
1412489d5650462
1579a2da594d8a
hex3c2519bcb2b6

66130043253430 has 32 divisors (see below), whose sum is σ = 131317144062048. Its totient is φ = 23821704134400.

The previous prime is 66130043253367. The next prime is 66130043253431. The reversal of 66130043253430 is 3435234003166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66130043253431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6203563456 + ... + 6203574115.

It is an arithmetic number, because the mean of its divisors is an integer number (4103660751939).

Almost surely, 266130043253430 is an apocalyptic number.

66130043253430 is a deficient number, since it is larger than the sum of its proper divisors (65187100808618).

66130043253430 is a wasteful number, since it uses less digits than its factorization.

66130043253430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12407137632.

The product of its (nonzero) digits is 466560, while the sum is 40.

Adding to 66130043253430 its reverse (3435234003166), we get a palindrome (69565277256596).

The spelling of 66130043253430 in words is "sixty-six trillion, one hundred thirty billion, forty-three million, two hundred fifty-three thousand, four hundred thirty".

Divisors: 1 2 5 10 13 26 41 65 82 130 205 410 533 1066 2665 5330 12407137571 24814275142 62035687855 124071375710 161292788423 322585576846 508692640411 806463942115 1017385280822 1612927884230 2543463202055 5086926404110 6613004325343 13226008650686 33065021626715 66130043253430