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50523023231 = 172971942543
BaseRepresentation
bin101111000011011010…
…000010011101111111
311211102000222111121122
4233003122002131333
51311432343220411
635113203421155
73436002416552
oct570332023577
9154360874548
1050523023231
111a476a2515a
1299600847bb
1349c2226325
142633d9a699
1514aa7599db
hexbc368277f

50523023231 has 4 divisors (see below), whose sum is σ = 53494965792. Its totient is φ = 47551080672.

The previous prime is 50523023189. The next prime is 50523023269. The reversal of 50523023231 is 13232032505.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50523023231 - 226 = 50455914367 is a prime.

It is a super-2 number, since 2×505230232312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50523023231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50523023731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1485971255 + ... + 1485971288.

It is an arithmetic number, because the mean of its divisors is an integer number (13373741448).

Almost surely, 250523023231 is an apocalyptic number.

50523023231 is a deficient number, since it is larger than the sum of its proper divisors (2971942561).

50523023231 is a wasteful number, since it uses less digits than its factorization.

50523023231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2971942560.

The product of its (nonzero) digits is 5400, while the sum is 26.

Adding to 50523023231 its reverse (13232032505), we get a palindrome (63755055736).

The spelling of 50523023231 in words is "fifty billion, five hundred twenty-three million, twenty-three thousand, two hundred thirty-one".

Divisors: 1 17 2971942543 50523023231