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11124100242 = 232618005569
BaseRepresentation
bin10100101110000110…
…00100110010010010
31001201020221211202200
422113003010302102
5140240232201432
65035500024030
7542444202063
oct122703046222
931636854680
1011124100242
1147992a0182
1221a5532016
131083858948
1477757656a
15451904a7c
hex2970c4c92

11124100242 has 12 divisors (see below), whose sum is σ = 24102217230. Its totient is φ = 3708033408.

The previous prime is 11124100241. The next prime is 11124100277. The reversal of 11124100242 is 24200142111.

11124100242 is a `hidden beast` number, since 1 + 1 + 12 + 410 + 0 + 242 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11121600681 + 2499561 = 105459^2 + 1581^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 618005569 = 11124100242 / (1 + 1 + 1 + 2 + 4 + 1 + 0 + 0 + 2 + 4 + 2).

It is not an unprimeable number, because it can be changed into a prime (11124100241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 309002767 + ... + 309002802.

Almost surely, 211124100242 is an apocalyptic number.

11124100242 is an abundant number, since it is smaller than the sum of its proper divisors (12978116988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11124100242 is a wasteful number, since it uses less digits than its factorization.

11124100242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618005577 (or 618005574 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 11124100242 its reverse (24200142111), we get a palindrome (35324242353).

The spelling of 11124100242 in words is "eleven billion, one hundred twenty-four million, one hundred thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 18 618005569 1236011138 1854016707 3708033414 5562050121 11124100242