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505205225645 = 5154365483503
BaseRepresentation
bin1110101101000001001…
…00111111100010101101
31210022000121202120110112
413112200210333202231
531234130014210040
61024031005145405
751333312364331
oct7264044774255
91708017676415
10505205225645
111852901a757a
1281ab425b265
1338843673353
141a6486677c1
15d21cac7365
hex75a093f8ad

505205225645 has 8 divisors (see below), whose sum is σ = 606639181056. Its totient is φ = 403902240336.

The previous prime is 505205225627. The next prime is 505205225647. The reversal of 505205225645 is 546522502505.

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

It is a cyclic number.

It is not a de Polignac number, because 505205225645 - 210 = 505205224621 is a prime.

It is a super-3 number, since 3×5052052256453 (a number of 36 digits) contains 333 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 (505205225647) 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, 32734037 + ... + 32749466.

It is an arithmetic number, because the mean of its divisors is an integer number (75829897632).

Almost surely, 2505205225645 is an apocalyptic number.

It is an amenable number.

505205225645 is a deficient number, since it is larger than the sum of its proper divisors (101433955411).

505205225645 is a wasteful number, since it uses less digits than its factorization.

505205225645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65485051.

The product of its (nonzero) digits is 600000, while the sum is 41.

The spelling of 505205225645 in words is "five hundred five billion, two hundred five million, two hundred twenty-five thousand, six hundred forty-five".

Divisors: 1 5 1543 7715 65483503 327417515 101041045129 505205225645