Search a number
-
+
13111053655 = 57374601533
BaseRepresentation
bin11000011010111101…
…01100110101010111
31020211201202112102211
430031132230311113
5203322412204110
610004555214251
7642622055140
oct141536546527
936751675384
1013111053655
115618936737
12265aa47387
13130c3b581b
148c53d6ac7
1551b08b98a
hex30d7acd57

13111053655 has 8 divisors (see below), whose sum is σ = 17980873632. Its totient is φ = 8990436768.

The previous prime is 13111053643. The next prime is 13111053707. The reversal of 13111053655 is 55635011131.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13111053655 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187300732 + ... + 187300801.

It is an arithmetic number, because the mean of its divisors is an integer number (2247609204).

Almost surely, 213111053655 is an apocalyptic number.

13111053655 is a deficient number, since it is larger than the sum of its proper divisors (4869819977).

13111053655 is an equidigital number, since it uses as much as digits as its factorization.

13111053655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374601545.

The product of its (nonzero) digits is 6750, while the sum is 31.

Adding to 13111053655 its reverse (55635011131), we get a palindrome (68746064786).

The spelling of 13111053655 in words is "thirteen billion, one hundred eleven million, fifty-three thousand, six hundred fifty-five".

Divisors: 1 5 7 35 374601533 1873007665 2622210731 13111053655