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50319013761 = 3223232512
BaseRepresentation
bin101110110111001111…
…110011011110000001
311210212211002202020100
4232313033303132001
51311023131420021
635041035033013
73430644363012
oct566717633601
9153784082210
1050319013761
111a381853895
12990389b769
13498bb97073
142614c53009
1514978ac626
hexbb73f3781

50319013761 has 27 divisors (see below), whose sum is σ = 76003926817. Its totient is φ = 32077617000.

The previous prime is 50319013751. The next prime is 50319013763. The reversal of 50319013761 is 16731091305.

The square root of 50319013761 is 224319.

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

50319013761 is a `hidden beast` number, since 503 + 1 + 90 + 1 + 3 + 7 + 61 = 666.

It is not a de Polignac number, because 50319013761 - 29 = 50319013249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50319013763) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 15476386 + ... + 15479636.

Almost surely, 250319013761 is an apocalyptic number.

50319013761 is the 224319-th square number.

50319013761 is the 112160-th centered octagonal number.

It is an amenable number.

50319013761 is a deficient number, since it is larger than the sum of its proper divisors (25684913056).

50319013761 is an frugal number, since it uses more digits than its factorization.

50319013761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6554 (or 3277 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

Multiplying 50319013761 by its sum of digits (36), we get a square (1811484495396 = 13459142).

The spelling of 50319013761 in words is "fifty billion, three hundred nineteen million, thirteen thousand, seven hundred sixty-one".

Divisors: 1 3 9 23 69 207 529 1587 3251 4761 9753 29259 74773 224319 672957 1719779 5159337 10569001 15478011 31707003 95121009 243087023 729261069 2187783207 5591001529 16773004587 50319013761