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49951841849 = 7131489368651
BaseRepresentation
bin101110100001010111…
…001001111000111001
311202221020012111001122
4232201113021320321
51304300132414344
634540401155025
73415565435660
oct564127117071
9152836174048
1049951841849
111a203570128
12982092ba75
134930aaaa90
1425bc195dd7
151475530aee
hexba15c9e39

49951841849 has 16 divisors (see below), whose sum is σ = 61520645760. Its totient is φ = 39495686400.

The previous prime is 49951841827. The next prime is 49951841867. The reversal of 49951841849 is 94814815994.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 49951841849 - 220 = 49950793273 is a prime.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 49951841791 and 49951841800.

It is not an unprimeable number, because it can be changed into a prime (49951841809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48827 + ... + 319824.

It is an arithmetic number, because the mean of its divisors is an integer number (3845040360).

Almost surely, 249951841849 is an apocalyptic number.

It is an amenable number.

49951841849 is a deficient number, since it is larger than the sum of its proper divisors (11568803911).

49951841849 is a wasteful number, since it uses less digits than its factorization.

49951841849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370160.

The product of its digits is 14929920, while the sum is 62.

The spelling of 49951841849 in words is "forty-nine billion, nine hundred fifty-one million, eight hundred forty-one thousand, eight hundred forty-nine".

Divisors: 1 7 13 91 1489 10423 19357 135499 368651 2580557 4792463 33547241 548921339 3842449373 7135977407 49951841849