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2130531611 = 13199823553
BaseRepresentation
bin111111011111101…
…0101010100011011
312111110222012221012
41332333111110123
513330404002421
6551224404135
7103540135265
oct17677252433
95443865835
102130531611
119a36a1a2a
124b561664b
1327c51aac0
14162d56b35
15c709895b
hex7efd551b

2130531611 has 8 divisors (see below), whose sum is σ = 2305951200. Its totient is φ = 1956759552.

The previous prime is 2130531589. The next prime is 2130531629. The reversal of 2130531611 is 1161350312.

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

It is a cyclic number.

It is not a de Polignac number, because 2130531611 - 222 = 2126337307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2130531671) 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, 409190 + ... + 414363.

It is an arithmetic number, because the mean of its divisors is an integer number (288243900).

Almost surely, 22130531611 is an apocalyptic number.

2130531611 is a deficient number, since it is larger than the sum of its proper divisors (175419589).

2130531611 is a wasteful number, since it uses less digits than its factorization.

2130531611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823765.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 2130531611 is about 46157.6820366881. The cubic root of 2130531611 is about 1286.7553840125.

Adding to 2130531611 its reverse (1161350312), we get a palindrome (3291881923).

The spelling of 2130531611 in words is "two billion, one hundred thirty million, five hundred thirty-one thousand, six hundred eleven".

Divisors: 1 13 199 2587 823553 10706189 163887047 2130531611