Search a number
-
+
112111201001 = 613892147221
BaseRepresentation
bin110100001101001011…
…0010010101011101001
3101201101020000002200202
41220122112102223221
53314100431413001
6123300404041545
711046135325262
oct1503226225351
9351336002622
10112111201001
1143600939728
12198899932b5
13a758a0a177
1455d7747969
152db262396b
hex1a1a592ae9

112111201001 has 8 divisors (see below), whose sum is σ = 113954430408. Its totient is φ = 110268144000.

The previous prime is 112111200979. The next prime is 112111201039. The reversal of 112111201001 is 100102111211.

It can be written as a sum of positive squares in 4 ways, for example, as 21919098601 + 90192102400 = 148051^2 + 300320^2 .

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-112111201001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112111201901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2350571 + ... + 2397791.

It is an arithmetic number, because the mean of its divisors is an integer number (14244303801).

Almost surely, 2112111201001 is an apocalyptic number.

It is an amenable number.

112111201001 is a deficient number, since it is larger than the sum of its proper divisors (1843229407).

112111201001 is an equidigital number, since it uses as much as digits as its factorization.

112111201001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86203.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 112111201001 its reverse (100102111211), we get a palindrome (212213312212).

The spelling of 112111201001 in words is "one hundred twelve billion, one hundred eleven million, two hundred one thousand, one".

Divisors: 1 61 38921 47221 2374181 2880481 1837888541 112111201001