Search a number
-
+
11228734894 = 213431874419
BaseRepresentation
bin10100111010100100…
…01110010110101110
31001222112211211112011
422131102032112232
5140444024004034
65054114431434
7545154446266
oct123522162656
931875754464
1011228734894
1148423677a3
12221459257a
13109c432b40
147874127a6
1545abc2864
hex29d48e5ae

11228734894 has 8 divisors (see below), whose sum is σ = 18138725640. Its totient is φ = 5182493016.

The previous prime is 11228734879. The next prime is 11228734897. The reversal of 11228734894 is 49843782211.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11228734897) 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, 215937184 + ... + 215937235.

It is an arithmetic number, because the mean of its divisors is an integer number (2267340705).

Almost surely, 211228734894 is an apocalyptic number.

11228734894 is a deficient number, since it is larger than the sum of its proper divisors (6909990746).

11228734894 is a wasteful number, since it uses less digits than its factorization.

11228734894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431874434.

The product of its digits is 774144, while the sum is 49.

The spelling of 11228734894 in words is "eleven billion, two hundred twenty-eight million, seven hundred thirty-four thousand, eight hundred ninety-four".

Divisors: 1 2 13 26 431874419 863748838 5614367447 11228734894