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66213142301519 = 2713181191346977
BaseRepresentation
bin11110000111000011100101…
…10100111000101101001111
322200102220200201202211210222
433003201302310320231033
532134314003412122034
6352453521520421555
716642512251215523
oct1703416264705517
9280386621684728
1066213142301519
111a108921724374
1275146734778bb
132ac3b45c33c15
14124ca39c15d83
1579c550b7012e
hex3c3872d38b4f

66213142301519 has 8 divisors (see below), whose sum is σ = 66241253051040. Its totient is φ = 66185034287616.

The previous prime is 66213142301507. The next prime is 66213142301533. The reversal of 66213142301519 is 91510324131266.

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 66213142301519 - 228 = 66212873866063 is a prime.

It is a super-2 number, since 2×662131423015192 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 66213142301519.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66213142301569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48483359 + ... + 49830335.

It is an arithmetic number, because the mean of its divisors is an integer number (8280156631380).

Almost surely, 266213142301519 is an apocalyptic number.

66213142301519 is a deficient number, since it is larger than the sum of its proper divisors (28110749521).

66213142301519 is a wasteful number, since it uses less digits than its factorization.

66213142301519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1367809.

The product of its (nonzero) digits is 233280, while the sum is 44.

The spelling of 66213142301519 in words is "sixty-six trillion, two hundred thirteen billion, one hundred forty-two million, three hundred one thousand, five hundred nineteen".

Divisors: 1 2713 18119 1346977 49156847 3654348601 24405876263 66213142301519