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2103311120 = 24526291389
BaseRepresentation
bin111110101011101…
…1111101100010000
312102120202021102212
41331113133230100
513301421423440
6544413131252
7103056564251
oct17527375420
95376667385
102103311120
1198a29a859
124a8489b28
132769a9cc1
1415d4acb28
15c49bd465
hex7d5dfb10

2103311120 has 20 divisors (see below), whose sum is σ = 4890198540. Its totient is φ = 841324416.

The previous prime is 2103311083. The next prime is 2103311123. The reversal of 2103311120 is 211133012.

It can be written as a sum of positive squares in 2 ways, for example, as 1559302144 + 544008976 = 39488^2 + 23324^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 2103311095 and 2103311104.

It is not an unprimeable number, because it can be changed into a prime (2103311123) 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 3 ways as a sum of consecutive naturals, for example, 13145615 + ... + 13145774.

It is an arithmetic number, because the mean of its divisors is an integer number (244509927).

Almost surely, 22103311120 is an apocalyptic number.

2103311120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2103311120 is an abundant number, since it is smaller than the sum of its proper divisors (2786887420).

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

2103311120 is a wasteful number, since it uses less digits than its factorization.

2103311120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26291402 (or 26291396 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 2103311120 is about 45861.8700011240. The cubic root of 2103311120 is about 1281.2518514508.

Adding to 2103311120 its reverse (211133012), we get a palindrome (2314444132).

The spelling of 2103311120 in words is "two billion, one hundred three million, three hundred eleven thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 26291389 52582778 105165556 131456945 210331112 262913890 420662224 525827780 1051655560 2103311120