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13418237705 = 512721131083
BaseRepresentation
bin11000111111100101…
…00000111100001001
31021122010210002201212
430133302200330021
5204440032101310
610055251222505
7653342065355
oct143762407411
937563702655
1013418237705
115766277654
1227258a7a35
13135ac2a532
1491411a465
15538019205
hex31fca0f09

13418237705 has 8 divisors (see below), whose sum is σ = 16228672512. Its totient is φ = 10650065328.

The previous prime is 13418237647. The next prime is 13418237711. The reversal of 13418237705 is 50773281431.

13418237705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13418237705 - 26 = 13418237641 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10564907 + ... + 10566176.

It is an arithmetic number, because the mean of its divisors is an integer number (2028584064).

Almost surely, 213418237705 is an apocalyptic number.

It is an amenable number.

13418237705 is a deficient number, since it is larger than the sum of its proper divisors (2810434807).

13418237705 is a wasteful number, since it uses less digits than its factorization.

13418237705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21131215.

The product of its (nonzero) digits is 141120, while the sum is 41.

The spelling of 13418237705 in words is "thirteen billion, four hundred eighteen million, two hundred thirty-seven thousand, seven hundred five".

Divisors: 1 5 127 635 21131083 105655415 2683647541 13418237705