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2011331330 = 25201133133
BaseRepresentation
bin111011111100010…
…0111101100000010
312012011200012212222
41313320213230002
513104400100310
6531325451042
7100562014511
oct16770475402
95164605788
102011331330
11942386aa8
12481710a82
13260913ba8
141511a8678
15bb8a0055
hex77e27b02

2011331330 has 8 divisors (see below), whose sum is σ = 3620396412. Its totient is φ = 804532528.

The previous prime is 2011331297. The next prime is 2011331339. The reversal of 2011331330 is 331331102.

It can be written as a sum of positive squares in 2 ways, for example, as 1823887849 + 187443481 = 42707^2 + 13691^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2011331299 and 2011331308.

It is not an unprimeable number, because it can be changed into a prime (2011331339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100566557 + ... + 100566576.

Almost surely, 22011331330 is an apocalyptic number.

2011331330 is a deficient number, since it is larger than the sum of its proper divisors (1609065082).

2011331330 is a wasteful number, since it uses less digits than its factorization.

2011331330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201133140.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 2011331330 is about 44847.8687341996. The cubic root of 2011331330 is about 1262.2960004995.

Adding to 2011331330 its reverse (331331102), we get a palindrome (2342662432).

The spelling of 2011331330 in words is "two billion, eleven million, three hundred thirty-one thousand, three hundred thirty".

Divisors: 1 2 5 10 201133133 402266266 1005665665 2011331330