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13641661131451 = 67386323487749
BaseRepresentation
bin1100011010000011001001…
…0111011010101010111011
31210022010111211010100020021
43012200302113122222323
53242001110222201301
645002520445311311
72605402036256143
oct306406227325273
953263454110207
1013641661131451
11438a43a086a41
121643a18865537
1377c531885ba2
1435238d321923
15189cb6c638a1
hexc68325daabb

13641661131451 has 8 divisors (see below), whose sum is σ = 13677762384000. Its totient is φ = 13605606857472.

The previous prime is 13641661131431. The next prime is 13641661131473. The reversal of 13641661131451 is 15413116614631.

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 13641661131451 - 211 = 13641661129403 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13641661131398 and 13641661131407.

It is not an unprimeable number, because it can be changed into a prime (13641661131401) 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 7 ways as a sum of consecutive naturals, for example, 11163076 + ... + 12324673.

It is an arithmetic number, because the mean of its divisors is an integer number (1709720298000).

Almost surely, 213641661131451 is an apocalyptic number.

13641661131451 is a deficient number, since it is larger than the sum of its proper divisors (36101252549).

13641661131451 is an equidigital number, since it uses as much as digits as its factorization.

13641661131451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23489285.

The product of its digits is 155520, while the sum is 43.

The spelling of 13641661131451 in words is "thirteen trillion, six hundred forty-one billion, six hundred sixty-one million, one hundred thirty-one thousand, four hundred fifty-one".

Divisors: 1 673 863 580799 23487749 15807255077 20269927387 13641661131451