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505865107441 = 19204831299833
BaseRepresentation
bin1110101110001111110…
…10001111011111110001
31210100201121110001010001
413113013322033133301
531242002431414231
61024220300510001
751355544316061
oct7270772173761
91710647401101
10505865107441
11185599735531
128205924b301
133891a2a7155
141a6ac15b3a1
15d25a9c2b61
hex75c7e8f7f1

505865107441 has 8 divisors (see below), whose sum is σ = 532515993120. Its totient is φ = 479216862432.

The previous prime is 505865107387. The next prime is 505865107453. The reversal of 505865107441 is 144701568505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 505865107441 - 211 = 505865105393 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 505865107391 and 505865107400.

It is not an unprimeable number, because it can be changed into a prime (505865107541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260740 + ... + 1039093.

It is an arithmetic number, because the mean of its divisors is an integer number (66564499140).

Almost surely, 2505865107441 is an apocalyptic number.

It is an amenable number.

505865107441 is a deficient number, since it is larger than the sum of its proper divisors (26650885679).

505865107441 is a wasteful number, since it uses less digits than its factorization.

505865107441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1320335.

The product of its (nonzero) digits is 672000, while the sum is 46.

The spelling of 505865107441 in words is "five hundred five billion, eight hundred sixty-five million, one hundred seven thousand, four hundred forty-one".

Divisors: 1 19 20483 389177 1299833 24696827 26624479339 505865107441