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50853407049 = 32751692
BaseRepresentation
bin101111010111000110…
…010110100101001001
311212021001122202000100
4233113012112211021
51313121433011144
635210045000013
73450123553644
oct572706264511
9155231582010
1050853407049
111a626471435
129a32853009
134a45801a03
142665bdca5b
1514c976b269
hexbd7196949

50853407049 has 9 divisors (see below), whose sum is σ = 73455898503. Its totient is φ = 33901820352.

The previous prime is 50853407029. The next prime is 50853407051. The reversal of 50853407049 is 94070435805.

The square root of 50853407049 is 225507.

It is a perfect power (a square), and thus also a powerful number.

50853407049 is a `hidden beast` number, since 5 + 0 + 8 + 534 + 0 + 70 + 49 = 666.

It can be written as a sum of positive squares in only one way, i.e., 32433488649 + 18419918400 = 180093^2 + 135720^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 50853407049 - 219 = 50852882761 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50853406995 and 50853407013.

It is not an unprimeable number, because it can be changed into a prime (50853407029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 638937 + ... + 714105.

Almost surely, 250853407049 is an apocalyptic number.

50853407049 is the 225507-th square number.

50853407049 is the 112754-th centered octagonal number.

It is an amenable number.

50853407049 is a deficient number, since it is larger than the sum of its proper divisors (22602491454).

50853407049 is an frugal number, since it uses more digits than its factorization.

50853407049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150344 (or 75172 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 50853407049 in words is "fifty billion, eight hundred fifty-three million, four hundred seven thousand, forty-nine".

Divisors: 1 3 9 75169 225507 676521 5650378561 16951135683 50853407049