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50505505055469 = 3231181023315611
BaseRepresentation
bin10110111101111001110101…
…01100000010001011101101
320121211021112111002202210200
423132330322230002023231
523104440233243233334
6255225524141024113
713431621332456052
oct1336747254021355
9217737474082720
1050505505055469
111510229aa23202
1257b837b555039
132224858234809
14c6869d9dd029
155c8b6dc10799
hex2def3ab022ed

50505505055469 has 12 divisors (see below), whose sum is σ = 75305699294592. Its totient is φ = 32584196809800.

The previous prime is 50505505055459. The next prime is 50505505055539. The reversal of 50505505055469 is 96455050550505.

It is not a de Polignac number, because 50505505055469 - 29 = 50505505054957 is a prime.

It is a super-2 number, since 2×505055050554692 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50505505055459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90511657527 + ... + 90511658084.

It is an arithmetic number, because the mean of its divisors is an integer number (6275474941216).

Almost surely, 250505505055469 is an apocalyptic number.

It is an amenable number.

50505505055469 is a deficient number, since it is larger than the sum of its proper divisors (24800194239123).

50505505055469 is a wasteful number, since it uses less digits than its factorization.

50505505055469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181023315648 (or 181023315645 counting only the distinct ones).

The product of its (nonzero) digits is 16875000, while the sum is 54.

The spelling of 50505505055469 in words is "fifty trillion, five hundred five billion, five hundred five million, fifty-five thousand, four hundred sixty-nine".

Divisors: 1 3 9 31 93 279 181023315611 543069946833 1629209840499 5611722783941 16835168351823 50505505055469