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5210120331 = 3213379411279
BaseRepresentation
bin1001101101000110…
…00010000010001011
3111110002202112110200
410312203002002023
541132242322311
62220554543243
7243053202123
oct46643020213
914402675420
105210120331
112233a82579
121014a37b23
1365054a450
14375d59c83
1520760e556
hex1368c208b

5210120331 has 48 divisors (see below), whose sum is σ = 8339036160. Its totient is φ = 3113821440.

The previous prime is 5210120299. The next prime is 5210120371. The reversal of 5210120331 is 1330210125.

5210120331 is a `hidden beast` number, since 5 + 210 + 120 + 331 = 666.

It is not a de Polignac number, because 5210120331 - 25 = 5210120299 is a prime.

It is a super-2 number, since 2×52101203312 = 54290707726999099122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5210120371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4072950 + ... + 4074228.

It is an arithmetic number, because the mean of its divisors is an integer number (173729920).

Almost surely, 25210120331 is an apocalyptic number.

5210120331 is a deficient number, since it is larger than the sum of its proper divisors (3128915829).

5210120331 is a wasteful number, since it uses less digits than its factorization.

5210120331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2276 (or 2273 counting only the distinct ones).

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

The square root of 5210120331 is about 72181.1632699280. The cubic root of 5210120331 is about 1733.6014088047.

Adding to 5210120331 its reverse (1330210125), we get a palindrome (6540330456).

The spelling of 5210120331 in words is "five billion, two hundred ten million, one hundred twenty thousand, three hundred thirty-one".

Divisors: 1 3 9 13 37 39 111 117 333 481 941 1279 1443 2823 3837 4329 8469 11511 12233 16627 34817 36699 47323 49881 104451 110097 141969 149643 313353 425907 452621 615199 1203539 1357863 1845597 3610617 4073589 5536791 10831851 15646007 44530943 46938021 133592829 140814063 400778487 578902259 1736706777 5210120331