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11201244203 = 20521545843
BaseRepresentation
bin10100110111010010…
…10110110000101011
31001220122010011101102
422123221112300223
5140420004303303
65051253312015
7544402001432
oct123351266053
931818104342
1011201244203
1148288a0616
12220733560b
131096829066
147838d8119
15458592288
hex29ba56c2b

11201244203 has 4 divisors (see below), whose sum is σ = 11201810568. Its totient is φ = 11200677840.

The previous prime is 11201244181. The next prime is 11201244217. The reversal of 11201244203 is 30244210211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30244210211 = 263114996997.

It is a cyclic number.

It is not a de Polignac number, because 11201244203 - 28 = 11201243947 is a prime.

It is a super-2 number, since 2×112012442032 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11201249203) 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, 252401 + ... + 293442.

It is an arithmetic number, because the mean of its divisors is an integer number (2800452642).

Almost surely, 211201244203 is an apocalyptic number.

11201244203 is a deficient number, since it is larger than the sum of its proper divisors (566365).

11201244203 is an equidigital number, since it uses as much as digits as its factorization.

11201244203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566364.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 11201244203 its reverse (30244210211), we get a palindrome (41445454414).

The spelling of 11201244203 in words is "eleven billion, two hundred one million, two hundred forty-four thousand, two hundred three".

Divisors: 1 20521 545843 11201244203