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49993400044 = 2273189647147
BaseRepresentation
bin101110100011110101…
…101011111011101100
311210001010101212012001
4232203311223323230
51304341302300134
634544444022044
73416611613620
oct564365537354
9153033355161
1049993400044
111a224a75445
129832831924
13493959b923
1425c38d3180
151478ede414
hexba3d6beec

49993400044 has 48 divisors (see below), whose sum is σ = 104372029440. Its totient is φ = 20501585280.

The previous prime is 49993400033. The next prime is 49993400087. The reversal of 49993400044 is 44000439994.

It is a junction number, because it is equal to n+sod(n) for n = 49993399967 and 49993400003.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 246322 + ... + 400825.

It is an arithmetic number, because the mean of its divisors is an integer number (2174417280).

Almost surely, 249993400044 is an apocalyptic number.

It is an amenable number.

49993400044 is an abundant number, since it is smaller than the sum of its proper divisors (54378629396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49993400044 is a wasteful number, since it uses less digits than its factorization.

49993400044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647278 (or 647276 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 46.

It can be divided in two parts, 4999 and 3400044, that added together give a palindrome (3405043).

The spelling of 49993400044 in words is "forty-nine billion, nine hundred ninety-three million, four hundred thousand, forty-four".

Divisors: 1 2 4 7 14 28 31 62 89 124 178 217 356 434 623 868 1246 2492 2759 5518 11036 19313 38626 77252 647147 1294294 2588588 4530029 9060058 18120116 20061557 40123114 57596083 80246228 115192166 140430899 230384332 280861798 403172581 561723596 806345162 1612690324 1785478573 3570957146 7141914292 12498350011 24996700022 49993400044