Search a number
-
+
2162137100 = 225221621371
BaseRepresentation
bin1000000011011111…
…1001100000001100
312120200102221111212
42000313321200030
513412001341400
6554314033552
7104402601464
oct20067714014
95520387455
102162137100
11a0a519672
125041188b8
13285c35786
14167222ba4
15c9c3d335
hex80df980c

2162137100 has 18 divisors (see below), whose sum is σ = 4691837724. Its totient is φ = 864854800.

The previous prime is 2162137093. The next prime is 2162137121. The reversal of 2162137100 is 17312612.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10810586 + ... + 10810785.

Almost surely, 22162137100 is an apocalyptic number.

2162137100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2162137100 is an abundant number, since it is smaller than the sum of its proper divisors (2529700624).

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

2162137100 is a wasteful number, since it uses less digits than its factorization.

2162137100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21621385 (or 21621378 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 2162137100 is about 46498.7860056583. The cubic root of 2162137100 is about 1293.0869922352.

Adding to 2162137100 its reverse (17312612), we get a palindrome (2179449712).

The spelling of 2162137100 in words is "two billion, one hundred sixty-two million, one hundred thirty-seven thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 21621371 43242742 86485484 108106855 216213710 432427420 540534275 1081068550 2162137100