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50330071217 = 167269300893
BaseRepresentation
bin101110110111111001…
…111111000010110001
311210220120220112012202
4232313321333002301
51311033444234332
635042112032545
73431140355336
oct566771770261
9153816815182
1050330071217
111a388016488
129907532755
13499126903a
1426164d098d
151498843a62
hexbb7e7f0b1

50330071217 has 4 divisors (see below), whose sum is σ = 50330539380. Its totient is φ = 50329603056.

The previous prime is 50330071189. The next prime is 50330071219. The reversal of 50330071217 is 71217003305.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 37003908496 + 13326162721 = 192364^2 + 115439^2 .

It is a cyclic number.

It is not a de Polignac number, because 50330071217 - 224 = 50313294001 is a prime.

It is a super-2 number, since 2×503300712172 (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 50330071217.

It is not an unprimeable number, because it can be changed into a prime (50330071219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16823 + ... + 317715.

It is an arithmetic number, because the mean of its divisors is an integer number (12582634845).

Almost surely, 250330071217 is an apocalyptic number.

It is an amenable number.

50330071217 is a deficient number, since it is larger than the sum of its proper divisors (468163).

50330071217 is a wasteful number, since it uses less digits than its factorization.

50330071217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468162.

The product of its (nonzero) digits is 4410, while the sum is 29.

The spelling of 50330071217 in words is "fifty billion, three hundred thirty million, seventy-one thousand, two hundred seventeen".

Divisors: 1 167269 300893 50330071217