Search a number
-
+
13111404223 = 29452117387
BaseRepresentation
bin11000011011000000…
…00010011010111111
31020211202102100022211
430031200002122333
5203323004413343
610005010521251
7642625045201
oct141540023277
936752370284
1013111404223
115619056065
12265ab96227
13130c4a9268
148c5488771
1551b10a79d
hex30d8026bf

13111404223 has 4 divisors (see below), whose sum is σ = 13563521640. Its totient is φ = 12659286808.

The previous prime is 13111404167. The next prime is 13111404277. The reversal of 13111404223 is 32240411131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13111404223 - 229 = 12574533311 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13111404194 and 13111404203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13111404283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226058665 + ... + 226058722.

It is an arithmetic number, because the mean of its divisors is an integer number (3390880410).

Almost surely, 213111404223 is an apocalyptic number.

13111404223 is a deficient number, since it is larger than the sum of its proper divisors (452117417).

13111404223 is an equidigital number, since it uses as much as digits as its factorization.

13111404223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452117416.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 13111404223 its reverse (32240411131), we get a palindrome (45351815354).

The spelling of 13111404223 in words is "thirteen billion, one hundred eleven million, four hundred four thousand, two hundred twenty-three".

Divisors: 1 29 452117387 13111404223