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4952721113181 = 3520381568367
BaseRepresentation
bin100100000010010010100…
…1011101100000001011101
3122112110211122112211100000
41020010211023230001131
51122121133101110211
614311125413524513
71020552021566022
oct110044513540135
918473748484300
104952721113181
11163a489a51086
1267ba54343739
1329c068cc0caa
141319da5c3549
1588c71bd2656
hex481252ec05d

4952721113181 has 12 divisors (see below), whose sum is σ = 7418890885952. Its totient is φ = 3301814075292.

The previous prime is 4952721113161. The next prime is 4952721113191. The reversal of 4952721113181 is 1813111272594.

4952721113181 is a `hidden beast` number, since 4 + 9 + 527 + 2 + 1 + 11 + 31 + 81 = 666.

It is not a de Polignac number, because 4952721113181 - 26 = 4952721113117 is a prime.

It is a super-2 number, since 2×49527211131812 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4952721113161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10190783941 + ... + 10190784426.

Almost surely, 24952721113181 is an apocalyptic number.

It is an amenable number.

4952721113181 is a deficient number, since it is larger than the sum of its proper divisors (2466169772771).

4952721113181 is an equidigital number, since it uses as much as digits as its factorization.

4952721113181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20381568382 (or 20381568370 counting only the distinct ones).

The product of its digits is 120960, while the sum is 45.

The spelling of 4952721113181 in words is "four trillion, nine hundred fifty-two billion, seven hundred twenty-one million, one hundred thirteen thousand, one hundred eighty-one".

Divisors: 1 3 9 27 81 243 20381568367 61144705101 183434115303 550302345909 1650907037727 4952721113181