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2011443130 = 25201144313
BaseRepresentation
bin111011111100100…
…0010111110111010
312012011212220020201
41313321002332322
513104412140010
6531332112414
7100562661454
oct16771027672
95164786221
102011443130
11942452aa4
1248176570a
13260952a48
141511d72d4
15bb8c323a
hex77e42fba

2011443130 has 8 divisors (see below), whose sum is σ = 3620597652. Its totient is φ = 804577248.

The previous prime is 2011443101. The next prime is 2011443131. The reversal of 2011443130 is 313441102.

It can be written as a sum of positive squares in 2 ways, for example, as 1985504481 + 25938649 = 44559^2 + 5093^2 .

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 = 2011443098 and 2011443107.

It is not an unprimeable number, because it can be changed into a prime (2011443131) 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, 100572147 + ... + 100572166.

Almost surely, 22011443130 is an apocalyptic number.

2011443130 is a deficient number, since it is larger than the sum of its proper divisors (1609154522).

2011443130 is a wasteful number, since it uses less digits than its factorization.

2011443130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201144320.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2011443130 is about 44849.1151529214. The cubic root of 2011443130 is about 1262.3193883382.

Adding to 2011443130 its reverse (313441102), we get a palindrome (2324884232).

The spelling of 2011443130 in words is "two billion, eleven million, four hundred forty-three thousand, one hundred thirty".

Divisors: 1 2 5 10 201144313 402288626 1005721565 2011443130