Search a number
-
+
2130112100 = 2252103206807
BaseRepresentation
bin111111011110110…
…1110111001100100
312111110011220110202
41332331232321210
513330302041400
6551211410032
7103533440234
oct17675567144
95443156422
102130112100
119a3435826
124b5453918
1327c401b7c
14162c87cc4
15c70144d5
hex7ef6ee64

2130112100 has 36 divisors (see below), whose sum is σ = 4667242944. Its totient is φ = 843768480.

The previous prime is 2130112099. The next prime is 2130112129. The reversal of 2130112100 is 12110312.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93104 + ... + 113703.

Almost surely, 22130112100 is an apocalyptic number.

2130112100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2130112100 is an abundant number, since it is smaller than the sum of its proper divisors (2537130844).

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

2130112100 is a wasteful number, since it uses less digits than its factorization.

2130112100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206924 (or 206917 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 2130112100 is about 46153.1374881492. The cubic root of 2130112100 is about 1286.6709225461.

Adding to 2130112100 its reverse (12110312), we get a palindrome (2142222412).

The spelling of 2130112100 in words is "two billion, one hundred thirty million, one hundred twelve thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 103 206 412 515 1030 2060 2575 5150 10300 206807 413614 827228 1034035 2068070 4136140 5170175 10340350 20680700 21301121 42602242 85204484 106505605 213011210 426022420 532528025 1065056050 2130112100