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201313202120 = 2355032830053
BaseRepresentation
bin1011101101111100110…
…0111010111111001000
3201020121212022021010222
42323133030322333020
511244242134431440
6232252040325212
720354504661422
oct2733714727710
9636555267128
10201313202120
1178416066408
1233023473808
1315ca33ca354
149a5a67b812
1553838c12b5
hex2edf33afc8

201313202120 has 16 divisors (see below), whose sum is σ = 452954704860. Its totient is φ = 80525280832.

The previous prime is 201313202113. The next prime is 201313202159. The reversal of 201313202120 is 21202313102.

It can be written as a sum of positive squares in 2 ways, for example, as 187736757796 + 13576444324 = 433286^2 + 116518^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2516414987 + ... + 2516415066.

Almost surely, 2201313202120 is an apocalyptic number.

201313202120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201313202120 is an abundant number, since it is smaller than the sum of its proper divisors (251641502740).

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

201313202120 is a wasteful number, since it uses less digits than its factorization.

201313202120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5032830064 (or 5032830060 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 201313202120 its reverse (21202313102), we get a palindrome (222515515222).

The spelling of 201313202120 in words is "two hundred one billion, three hundred thirteen million, two hundred two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 5032830053 10065660106 20131320212 25164150265 40262640424 50328300530 100656601060 201313202120