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49933209144 = 23371329718131
BaseRepresentation
bin101110100000010000…
…000100111000111000
311202212221010211210110
4232200100010320320
51304230400143034
634534453544320
73415251163140
oct564020047070
9152787124713
1049933209144
111a1a3aa40a5
1298166450a0
134929c85b00
1425b9905920
151473a9ede9
hexba0404e38

49933209144 has 192 divisors, whose sum is σ = 156086058240. Its totient is φ = 13032714240.

The previous prime is 49933209143. The next prime is 49933209187. The reversal of 49933209144 is 44190233994.

It is a junction number, because it is equal to n+sod(n) for n = 49933209093 and 49933209102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49933209143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2744959 + ... + 2763089.

It is an arithmetic number, because the mean of its divisors is an integer number (812948220).

Almost surely, 249933209144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49933209144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78043029120).

49933209144 is an abundant number, since it is smaller than the sum of its proper divisors (106152849096).

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

49933209144 is a wasteful number, since it uses less digits than its factorization.

49933209144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18270 (or 18253 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 48.

The spelling of 49933209144 in words is "forty-nine billion, nine hundred thirty-three million, two hundred nine thousand, one hundred forty-four".