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2011131130 = 25201113113
BaseRepresentation
bin111011111011111…
…0110110011111010
312012011022001021011
41313313312303322
513104322144010
6531321304134
7100560222031
oct16767666372
95164261234
102011131130
1194225a648
1248163504a
13260873a28
14151155718
15bb860a8a
hex77df6cfa

2011131130 has 8 divisors (see below), whose sum is σ = 3620036052. Its totient is φ = 804452448.

The previous prime is 2011131079. The next prime is 2011131137. The reversal of 2011131130 is 311311102.

It can be written as a sum of positive squares in 2 ways, for example, as 1928702889 + 82428241 = 43917^2 + 9079^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 2011131130.

It is not an unprimeable number, because it can be changed into a prime (2011131137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100556547 + ... + 100556566.

Almost surely, 22011131130 is an apocalyptic number.

2011131130 is a deficient number, since it is larger than the sum of its proper divisors (1608904922).

2011131130 is a wasteful number, since it uses less digits than its factorization.

2011131130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201113120.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 2011131130 is about 44845.6366885341. The cubic root of 2011131130 is about 1262.2541177856.

Adding to 2011131130 its reverse (311311102), we get a palindrome (2322442232).

The spelling of 2011131130 in words is "two billion, eleven million, one hundred thirty-one thousand, one hundred thirty".

Divisors: 1 2 5 10 201113113 402226226 1005565565 2011131130