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49993293938 = 2713127259157
BaseRepresentation
bin101110100011110101…
…010010000001110010
311210001010012110122012
4232203311102001302
51304341240401223
634544441442522
73416610662360
oct564365220162
9153033173565
1049993293938
111a224a02755
1298327a0442
134939562543
1425c38a6630
151478ebcc78
hexba3d52072

49993293938 has 16 divisors (see below), whose sum is σ = 86357012544. Its totient is φ = 21262141680.

The previous prime is 49993293937. The next prime is 49993293947. The reversal of 49993293938 is 83939239994.

It is not an unprimeable number, because it can be changed into a prime (49993293937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13627745 + ... + 13631412.

It is an arithmetic number, because the mean of its divisors is an integer number (5397313284).

Almost surely, 249993293938 is an apocalyptic number.

49993293938 is a deficient number, since it is larger than the sum of its proper divisors (36363718606).

49993293938 is a wasteful number, since it uses less digits than its factorization.

49993293938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27259297.

The product of its digits is 102036672, while the sum is 68.

The spelling of 49993293938 in words is "forty-nine billion, nine hundred ninety-three million, two hundred ninety-three thousand, nine hundred thirty-eight".

Divisors: 1 2 7 14 131 262 917 1834 27259157 54518314 190814099 381628198 3570949567 7141899134 24996646969 49993293938