Search a number
-
+
2120210200 = 235210601051
BaseRepresentation
bin111111001011111…
…1101011100011000
312110202112211121201
41332113331130120
513320233211300
6550215243544
7103353326563
oct17627753430
95422484551
102120210200
11998892339
124b20795b4
1327a345b64
1416182b4da
15c620a66a
hex7e5fd718

2120210200 has 24 divisors (see below), whose sum is σ = 4929489180. Its totient is φ = 848084000.

The previous prime is 2120210179. The next prime is 2120210201. The reversal of 2120210200 is 20120212.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120210201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5300326 + ... + 5300725.

Almost surely, 22120210200 is an apocalyptic number.

2120210200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120210200 is an abundant number, since it is smaller than the sum of its proper divisors (2809278980).

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

2120210200 is a wasteful number, since it uses less digits than its factorization.

2120210200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10601067 (or 10601058 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2120210200 is about 46045.7403024427. The cubic root of 2120210200 is about 1284.6741137896.

Adding to 2120210200 its reverse (20120212), we get a palindrome (2140330412).

The spelling of 2120210200 in words is "two billion, one hundred twenty million, two hundred ten thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 10601051 21202102 42404204 53005255 84808408 106010510 212021020 265026275 424042040 530052550 1060105100 2120210200