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49850131967 = 161930790693
BaseRepresentation
bin101110011011010011…
…001010010111111111
311202200010211002022222
4232123103022113333
51304043113210332
634522325155555
73413222062466
oct563323122777
9152603732288
1049850131967
111a161110a79
1297b285bbbb
1349159b8c0c
1425ac87b9dd
15146b63e712
hexb9b4ca5ff

49850131967 has 4 divisors (see below), whose sum is σ = 49880924280. Its totient is φ = 49819339656.

The previous prime is 49850131913. The next prime is 49850131987. The reversal of 49850131967 is 76913105894.

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 49850131967 - 214 = 49850115583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49850131987) 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, 15393728 + ... + 15396965.

It is an arithmetic number, because the mean of its divisors is an integer number (12470231070).

Almost surely, 249850131967 is an apocalyptic number.

49850131967 is a deficient number, since it is larger than the sum of its proper divisors (30792313).

49850131967 is a wasteful number, since it uses less digits than its factorization.

49850131967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30792312.

The product of its (nonzero) digits is 1632960, while the sum is 53.

The spelling of 49850131967 in words is "forty-nine billion, eight hundred fifty million, one hundred thirty-one thousand, nine hundred sixty-seven".

Divisors: 1 1619 30790693 49850131967