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505442240541 = 3473072903689
BaseRepresentation
bin1110101101011101011…
…01001000100000011101
31210022122010202011210000
413112232231020200131
531240121203144131
61024110313204513
751342221105010
oct7265655104035
91708563664700
10505442240541
111853a1a71357
1281b5b700739
13388807ba554
141a66bd23377
15d2337e3ce6
hex75aeb4881d

505442240541 has 40 divisors (see below), whose sum is σ = 865717751360. Its totient is φ = 287883243072.

The previous prime is 505442240539. The next prime is 505442240543. The reversal of 505442240541 is 145042244505.

505442240541 is a `hidden beast` number, since 5 + 0 + 54 + 4 + 22 + 40 + 541 = 666.

It is an interprime number because it is at equal distance from previous prime (505442240539) and next prime (505442240543).

It is not a de Polignac number, because 505442240541 - 21 = 505442240539 is a prime.

It is a super-2 number, since 2×5054422405412 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 505442240496 and 505442240505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505442240543) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1277776 + ... + 1625913.

It is an arithmetic number, because the mean of its divisors is an integer number (21642943784).

Almost surely, 2505442240541 is an apocalyptic number.

It is an amenable number.

505442240541 is a deficient number, since it is larger than the sum of its proper divisors (360275510819).

505442240541 is a wasteful number, since it uses less digits than its factorization.

505442240541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2904015 (or 2904006 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 36.

The spelling of 505442240541 in words is "five hundred five billion, four hundred forty-two million, two hundred forty thousand, five hundred forty-one".

Divisors: 1 3 7 9 21 27 63 81 189 307 567 921 2149 2763 6447 8289 19341 24867 58023 174069 2903689 8711067 20325823 26133201 60977469 78399603 182932407 235198809 548797221 891432523 1646391663 2674297569 6240027661 8022892707 18720082983 24068678121 56160248949 72206034363 168480746847 505442240541