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2103102730 = 25210310273
BaseRepresentation
bin111110101011010…
…1100110100001010
312102120100200120201
41331112230310022
513301343241410
6544404442414
7103055035561
oct17526546412
95376320521
102103102730
1198a168233
124a83a940a
132769361b1
1415d456bd8
15c497b83a
hex7d5acd0a

2103102730 has 8 divisors (see below), whose sum is σ = 3785584932. Its totient is φ = 841241088.

The previous prime is 2103102697. The next prime is 2103102751. The reversal of 2103102730 is 372013012.

It can be written as a sum of positive squares in 2 ways, for example, as 2065611601 + 37491129 = 45449^2 + 6123^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2103102698 and 2103102707.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105155127 + ... + 105155146.

Almost surely, 22103102730 is an apocalyptic number.

2103102730 is a deficient number, since it is larger than the sum of its proper divisors (1682482202).

2103102730 is a wasteful number, since it uses less digits than its factorization.

2103102730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210310280.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 2103102730 is about 45859.5980139382. The cubic root of 2103102730 is about 1281.2095358071.

Adding to 2103102730 its reverse (372013012), we get a palindrome (2475115742).

The spelling of 2103102730 in words is "two billion, one hundred three million, one hundred two thousand, seven hundred thirty".

Divisors: 1 2 5 10 210310273 420620546 1051551365 2103102730