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50406612331 = 172965094843
BaseRepresentation
bin101110111100011101…
…111101110101101011
311211002220221012212211
4232330131331311223
51311213043043311
635053444345551
73433060064305
oct567435756553
9154086835784
1050406612331
111a4172449a9
1299290a52b7
1349a4087c3a
142622736975
1514a0412821
hexbbc77dd6b

50406612331 has 4 divisors (see below), whose sum is σ = 53371707192. Its totient is φ = 47441517472.

The previous prime is 50406612317. The next prime is 50406612337. The reversal of 50406612331 is 13321660405.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13321660405 = 52664332081.

It is a cyclic number.

It is not a de Polignac number, because 50406612331 - 27 = 50406612203 is a prime.

It is a super-2 number, since 2×504066123312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50406612293 and 50406612302.

It is not an unprimeable number, because it can be changed into a prime (50406612337) 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, 1482547405 + ... + 1482547438.

It is an arithmetic number, because the mean of its divisors is an integer number (13342926798).

Almost surely, 250406612331 is an apocalyptic number.

50406612331 is a deficient number, since it is larger than the sum of its proper divisors (2965094861).

50406612331 is a wasteful number, since it uses less digits than its factorization.

50406612331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2965094860.

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 50406612331 in words is "fifty billion, four hundred six million, six hundred twelve thousand, three hundred thirty-one".

Divisors: 1 17 2965094843 50406612331