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13866881444362 = 28298363619689
BaseRepresentation
bin1100100111001010001010…
…0010101110101000001010
31211002122211210212200001001
43021302202202232220022
53304143333122204422
645254205110245214
72630564151323212
oct311624242565012
954078753780031
1013866881444362
114466a03080551
12167b5b265680a
13797844c5852b
1435d236b39242
15190a993c8227
hexc9ca28aea0a

13866881444362 has 8 divisors (see below), whose sum is σ = 20825413028100. Its totient is φ = 6925077101664.

The previous prime is 13866881444323. The next prime is 13866881444393. The reversal of 13866881444362 is 26344418866831.

It can be written as a sum of positive squares in 2 ways, for example, as 12625081006041 + 1241800438321 = 3553179^2 + 1114361^2 .

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

It is a super-2 number, since 2×138668814443622 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13866881444294 and 13866881444303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4181808187 + ... + 4181811502.

Almost surely, 213866881444362 is an apocalyptic number.

13866881444362 is a deficient number, since it is larger than the sum of its proper divisors (6958531583738).

13866881444362 is an equidigital number, since it uses as much as digits as its factorization.

13866881444362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8363620520.

The product of its digits is 127401984, while the sum is 64.

The spelling of 13866881444362 in words is "thirteen trillion, eight hundred sixty-six billion, eight hundred eighty-one million, four hundred forty-four thousand, three hundred sixty-two".

Divisors: 1 2 829 1658 8363619689 16727239378 6933440722181 13866881444362