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544831134681 = 316131018111059
BaseRepresentation
bin1111110110110100111…
…01110101101111011001
31221002022012220022122010
413323122131311233121
532411303232302211
61054143022020133
754235265143041
oct7733235655731
91832265808563
10544831134681
111a0074a76529
1289712a17649
133c4ba0861c2
141c527296721
15e28b8174a6
hex7eda775bd9

544831134681 has 16 divisors (see below), whose sum is σ = 727029011520. Its totient is φ = 362927098560.

The previous prime is 544831134667. The next prime is 544831134719. The reversal of 544831134681 is 186431138445.

It is not a de Polignac number, because 544831134681 - 229 = 544294263769 is a prime.

It is a super-2 number, since 2×5448311346812 (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 544831134681.

It is not an unprimeable number, because it can be changed into a prime (544831174681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49260330 + ... + 49271388.

It is an arithmetic number, because the mean of its divisors is an integer number (45439313220).

Almost surely, 2544831134681 is an apocalyptic number.

It is an amenable number.

544831134681 is a deficient number, since it is larger than the sum of its proper divisors (182197876839).

544831134681 is a wasteful number, since it uses less digits than its factorization.

544831134681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22856.

The product of its digits is 1105920, while the sum is 48.

The spelling of 544831134681 in words is "five hundred forty-four billion, eight hundred thirty-one million, one hundred thirty-four thousand, six hundred eighty-one".

Divisors: 1 3 1613 4839 10181 11059 30543 33177 16421953 17838167 49265859 53514501 112591679 337775037 181610378227 544831134681