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50402820405 = 357480026861
BaseRepresentation
bin101110111100001111…
…100000000100110101
311211002122210120100010
4232330033200010311
51311211110223110
635053231210433
73433012622160
oct567417400465
9154078716303
1050402820405
111a415094a83
129927976a19
1349a335acb2
14262202aad7
15149ee14020
hexbbc3e0135

50402820405 has 16 divisors (see below), whose sum is σ = 92165157504. Its totient is φ = 23041289280.

The previous prime is 50402820373. The next prime is 50402820421.

50402820405 is nontrivially palindromic in base 10.

50402820405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 50402820405 - 25 = 50402820373 is a prime.

It is a super-3 number, since 3×504028204053 (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240013326 + ... + 240013535.

It is an arithmetic number, because the mean of its divisors is an integer number (5760322344).

Almost surely, 250402820405 is an apocalyptic number.

It is an amenable number.

50402820405 is a deficient number, since it is larger than the sum of its proper divisors (41762337099).

50402820405 is a wasteful number, since it uses less digits than its factorization.

50402820405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480026876.

The product of its (nonzero) digits is 12800, while the sum is 30.

The spelling of 50402820405 in words is "fifty billion, four hundred two million, eight hundred twenty thousand, four hundred five".

Divisors: 1 3 5 7 15 21 35 105 480026861 1440080583 2400134305 3360188027 7200402915 10080564081 16800940135 50402820405