Search a number
-
+
2106931200 = 211352112943
BaseRepresentation
bin111110110010101…
…0011100000000000
312102211120012020220
41331211103200000
513303333244300
6545022503040
7103132422363
oct17545234000
95384505226
102106931200
11991342660
124a9734a80
1327767696a
1415db720da
15c4e85da0
hex7d953800

2106931200 has 576 divisors, whose sum is σ = 8043235200. Its totient is φ = 481689600.

The previous prime is 2106931129. The next prime is 2106931201. The reversal of 2106931200 is 21396012.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2106931201) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 48998379 + ... + 48998421.

It is an arithmetic number, because the mean of its divisors is an integer number (13963950).

Almost surely, 22106931200 is an apocalyptic number.

2106931200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2106931200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4021617600).

2106931200 is an abundant number, since it is smaller than the sum of its proper divisors (5936304000).

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

2106931200 is a wasteful number, since it uses less digits than its factorization.

2106931200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118 (or 93 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 2106931200 is about 45901.3202424505. The cubic root of 2106931200 is about 1281.9864987874.

The spelling of 2106931200 in words is "two billion, one hundred six million, nine hundred thirty-one thousand, two hundred".