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5120203531 = 171799111847
BaseRepresentation
bin1001100010011000…
…00001101100001011
3111012211120021210211
410301030001230023
540441233003111
62204023421551
7240612004042
oct46114015413
914184507724
105120203531
112198248773
12baa8b48b7
13637a27341
14368031559
151ee79c521
hex131301b0b

5120203531 has 16 divisors (see below), whose sum is σ = 5460618240. Its totient is φ = 4784241280.

The previous prime is 5120203511. The next prime is 5120203559. The reversal of 5120203531 is 1353020215.

It is a cyclic number.

It is not a de Polignac number, because 5120203531 - 221 = 5118106379 is a prime.

It is a super-2 number, since 2×51202035312 = 52432968397729735922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5120203511) 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 15 ways as a sum of consecutive naturals, for example, 2771250 + ... + 2773096.

It is an arithmetic number, because the mean of its divisors is an integer number (341288640).

Almost surely, 25120203531 is an apocalyptic number.

5120203531 is a deficient number, since it is larger than the sum of its proper divisors (340414709).

5120203531 is a wasteful number, since it uses less digits than its factorization.

5120203531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2954.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 5120203531 is about 71555.5974819580. The cubic root of 5120203531 is about 1723.5705899649.

Adding to 5120203531 its reverse (1353020215), we get a palindrome (6473223746).

The spelling of 5120203531 in words is "five billion, one hundred twenty million, two hundred three thousand, five hundred thirty-one".

Divisors: 1 17 179 911 1847 3043 15487 31399 163069 330613 1682617 2772173 5620421 28604489 301188443 5120203531