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2211232001 = 11201021091
BaseRepresentation
bin1000001111001100…
…1011100100000001
312201002211020001112
42003303023210001
514012033411001
61003230213105
7105540106346
oct20363134401
95632736045
102211232001
11a35201370
12518654195
13293164c04
1416d9627cd
15ce1d9cbb
hex83ccb901

2211232001 has 4 divisors (see below), whose sum is σ = 2412253104. Its totient is φ = 2010210900.

The previous prime is 2211231961. The next prime is 2211232019. The reversal of 2211232001 is 1002321122.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2211232001 - 222 = 2207037697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2211232061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100510535 + ... + 100510556.

It is an arithmetic number, because the mean of its divisors is an integer number (603063276).

Almost surely, 22211232001 is an apocalyptic number.

It is an amenable number.

2211232001 is a deficient number, since it is larger than the sum of its proper divisors (201021103).

2211232001 is a wasteful number, since it uses less digits than its factorization.

2211232001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201021102.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2211232001 is about 47023.7386965350. The cubic root of 2211232001 is about 1302.8010611132.

Adding to 2211232001 its reverse (1002321122), we get a palindrome (3213553123).

The spelling of 2211232001 in words is "two billion, two hundred eleven million, two hundred thirty-two thousand, one".

Divisors: 1 11 201021091 2211232001