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2381133380 = 225119056669
BaseRepresentation
bin1000110111101101…
…0011011001000100
320010221112002221012
42031323103121010
514334032232010
61032135541352
7113002204553
oct21573233104
96127462835
102381133380
1110120a682a
1256552a858
132bc411382
1418834bd9a
15de09b005
hex8ded3644

2381133380 has 12 divisors (see below), whose sum is σ = 5000380140. Its totient is φ = 952453344.

The previous prime is 2381133379. The next prime is 2381133383. The reversal of 2381133380 is 833311832.

2381133380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 564157504 + 1816975876 = 23752^2 + 42626^2 .

It is not an unprimeable number, because it can be changed into a prime (2381133383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59528315 + ... + 59528354.

It is an arithmetic number, because the mean of its divisors is an integer number (416698345).

Almost surely, 22381133380 is an apocalyptic number.

2381133380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2381133380 is an abundant number, since it is smaller than the sum of its proper divisors (2619246760).

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

2381133380 is a wasteful number, since it uses less digits than its factorization.

2381133380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119056678 (or 119056676 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 2381133380 is about 48796.8583005095. The cubic root of 2381133380 is about 1335.3483508831.

The spelling of 2381133380 in words is "two billion, three hundred eighty-one million, one hundred thirty-three thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 119056669 238113338 476226676 595283345 1190566690 2381133380