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2130131112 = 23388755463
BaseRepresentation
bin111111011110111…
…0011100010101000
312111110012212112220
41332331303202220
513330303143422
6551212034040
7103533546534
oct17675634250
95443185486
102130131112
119a344903a
124b5462920
1327c40a715
14162c90bc4
15c7019e5c
hex7ef738a8

2130131112 has 16 divisors (see below), whose sum is σ = 5325327840. Its totient is φ = 710043696.

The previous prime is 2130131111. The next prime is 2130131141. The reversal of 2130131112 is 2111310312.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2130131091 and 2130131100.

It is not an unprimeable number, because it can be changed into a prime (2130131111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44377708 + ... + 44377755.

It is an arithmetic number, because the mean of its divisors is an integer number (332832990).

Almost surely, 22130131112 is an apocalyptic number.

It is an amenable number.

2130131112 is an abundant number, since it is smaller than the sum of its proper divisors (3195196728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2130131112 is a wasteful number, since it uses less digits than its factorization.

2130131112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88755472 (or 88755468 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 2130131112 is about 46153.3434541854. The cubic root of 2130131112 is about 1286.6747505316.

Adding to 2130131112 its reverse (2111310312), we get a palindrome (4241441424).

The spelling of 2130131112 in words is "two billion, one hundred thirty million, one hundred thirty-one thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 88755463 177510926 266266389 355021852 532532778 710043704 1065065556 2130131112