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2130122444 = 22862361757
BaseRepresentation
bin111111011110111…
…0001011011001100
312111110012102122212
41332331301123030
513330302404234
6551211525552
7103533512342
oct17675613314
95443172585
102130122444
119a344257a
124b54598b8
1327c4067a8
14162c8b992
15c70175ce
hex7ef716cc

2130122444 has 12 divisors (see below), whose sum is σ = 3728206944. Its totient is φ = 1064920464.

The previous prime is 2130122441. The next prime is 2130122447. The reversal of 2130122444 is 4442210312.

It is an interprime number because it is at equal distance from previous prime (2130122441) and next prime (2130122447).

It is not an unprimeable number, because it can be changed into a prime (2130122441) 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, 3614 + ... + 65370.

It is an arithmetic number, because the mean of its divisors is an integer number (310683912).

Almost surely, 22130122444 is an apocalyptic number.

It is an amenable number.

2130122444 is a deficient number, since it is larger than the sum of its proper divisors (1598084500).

2130122444 is a wasteful number, since it uses less digits than its factorization.

2130122444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70384 (or 70382 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 2130122444 is about 46153.2495497338. The cubic root of 2130122444 is about 1286.6730052694.

Adding to 2130122444 its reverse (4442210312), we get a palindrome (6572332756).

The spelling of 2130122444 in words is "two billion, one hundred thirty million, one hundred twenty-two thousand, four hundred forty-four".

Divisors: 1 2 4 8623 17246 34492 61757 123514 247028 532530611 1065061222 2130122444