2103307650 has 144 divisors (see below), whose sum is σ = 5958000360. Its totient is φ = 531148800.

The previous prime is 2103307637. The next prime is 2103307651. The reversal of 2103307650 is 567033012.

It is a happy number.

2103307650 is a `hidden beast` number, since 2 + 1 + 0 + 3 + 3 + 0 + 7 + 650 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 867714849 + 1235592801 = 29457^2 + 35151^2 .

It is not an unprimeable number, because it can be changed into a prime (2103307651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 690130 + ... + 693170.

Almost surely, 2^2103307650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2103307650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2979000180).

2103307650 is an abundant number, since it is smaller than the sum of its proper divisors (3854692710).

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

2103307650 is a wasteful number, since it uses less digits than its factorization.

2103307650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3141 (or 3133 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 2103307650 is about 45861.8321701172. The cubic root of 2103307650 is about 1281.2511468560.

The spelling of 2103307650 in words is "two billion, one hundred three million, three hundred seven thousand, six hundred fifty".