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50500280497 = 461109545077
BaseRepresentation
bin101111000010000011…
…010010000010110001
311211100110012001110011
4233002003102002301
51311411032433442
635111032134521
73435305205322
oct570203220261
9154313161404
1050500280497
111a465101207
129954537441
1349ba5c26a4
142630d5a449
1514a8766117
hexbc20d20b1

50500280497 has 4 divisors (see below), whose sum is σ = 50609826036. Its totient is φ = 50390734960.

The previous prime is 50500280483. The next prime is 50500280513. The reversal of 50500280497 is 79408200505.

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

It can be written as a sum of positive squares in 2 ways, for example, as 39189745296 + 11310535201 = 197964^2 + 106351^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-50500280497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50500280407) 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, 54772078 + ... + 54772999.

It is an arithmetic number, because the mean of its divisors is an integer number (12652456509).

Almost surely, 250500280497 is an apocalyptic number.

It is an amenable number.

50500280497 is a deficient number, since it is larger than the sum of its proper divisors (109545539).

50500280497 is a wasteful number, since it uses less digits than its factorization.

50500280497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109545538.

The product of its (nonzero) digits is 100800, while the sum is 40.

The spelling of 50500280497 in words is "fifty billion, five hundred million, two hundred eighty thousand, four hundred ninety-seven".

Divisors: 1 461 109545077 50500280497