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50742390469 is a prime number
BaseRepresentation
bin101111010000011110…
…110110111011000101
311211222022202111220011
4233100132312323011
51312410022443334
635151041310221
73444305126311
oct572036667305
9154868674804
1050742390469
111a579835aa1
129a01635371
134a28801a24
142655180b41
1514beb3c564
hexbd07b6ec5

50742390469 has 2 divisors, whose sum is σ = 50742390470. Its totient is φ = 50742390468.

The previous prime is 50742390317. The next prime is 50742390473. The reversal of 50742390469 is 96409324705.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48668772100 + 2073618369 = 220610^2 + 45537^2 .

It is a cyclic number.

It is not a de Polignac number, because 50742390469 - 213 = 50742382277 is a prime.

It is a super-2 number, since 2×507423904692 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50742397469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25371195234 + 25371195235.

It is an arithmetic number, because the mean of its divisors is an integer number (25371195235).

Almost surely, 250742390469 is an apocalyptic number.

It is an amenable number.

50742390469 is a deficient number, since it is larger than the sum of its proper divisors (1).

50742390469 is an equidigital number, since it uses as much as digits as its factorization.

50742390469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1632960, while the sum is 49.

The spelling of 50742390469 in words is "fifty billion, seven hundred forty-two million, three hundred ninety thousand, four hundred sixty-nine".