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5120203311 = 32568911479
BaseRepresentation
bin1001100010011000…
…00001101000101111
3111012211120021111200
410301030001220233
540441233001221
62204023420543
7240612003306
oct46114015057
914184507450
105120203311
112198248593
12baa8b4753
13637a27202
1436803143d
151ee79c426
hex131301a2f

5120203311 has 6 divisors (see below), whose sum is σ = 7395849240. Its totient is φ = 3413468868.

The previous prime is 5120203289. The next prime is 5120203321. The reversal of 5120203311 is 1133020215.

It is not a de Polignac number, because 5120203311 - 25 = 5120203279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5120203321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 284455731 + ... + 284455748.

It is an arithmetic number, because the mean of its divisors is an integer number (1232641540).

Almost surely, 25120203311 is an apocalyptic number.

5120203311 is a deficient number, since it is larger than the sum of its proper divisors (2275645929).

5120203311 is a wasteful number, since it uses less digits than its factorization.

5120203311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568911485 (or 568911482 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 5120203311 is about 71555.5959446918. The cubic root of 5120203311 is about 1723.5705652793.

Adding to 5120203311 its reverse (1133020215), we get a palindrome (6253223526).

The spelling of 5120203311 in words is "five billion, one hundred twenty million, two hundred three thousand, three hundred eleven".

Divisors: 1 3 9 568911479 1706734437 5120203311