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50741220145 = 57211157119923
BaseRepresentation
bin101111010000011010…
…011001001100110001
311211222020120001111211
4233100122121030301
51312404223021040
635151000240121
73444262153300
oct572032311461
9154866501454
1050741220145
111a579106790
129a01170041
134a284b2125
142654d58437
1514be9aa8ea
hexbd0699331

50741220145 has 48 divisors (see below), whose sum is σ = 77762559168. Its totient is φ = 31429157760.

The previous prime is 50741220139. The next prime is 50741220149. The reversal of 50741220145 is 54102214705.

It is not a de Polignac number, because 50741220145 - 23 = 50741220137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50741220149) 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 47 ways as a sum of consecutive naturals, for example, 363154 + ... + 483076.

It is an arithmetic number, because the mean of its divisors is an integer number (1620053316).

Almost surely, 250741220145 is an apocalyptic number.

50741220145 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

50741220145 is a deficient number, since it is larger than the sum of its proper divisors (27021339023).

50741220145 is a wasteful number, since it uses less digits than its factorization.

50741220145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120110 (or 120103 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 31.

The spelling of 50741220145 in words is "fifty billion, seven hundred forty-one million, two hundred twenty thousand, one hundred forty-five".

Divisors: 1 5 7 11 35 49 55 77 157 245 385 539 785 1099 1727 2695 5495 7693 8635 12089 38465 60445 84623 119923 423115 599615 839461 1319153 4197305 5876227 6595765 9234071 18827911 29381135 46170355 64638497 94139555 131795377 207107021 323192485 658976885 922567639 1035535105 1449749147 4612838195 7248745735 10148244029 50741220145