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50731110890 = 25227208310729
BaseRepresentation
bin101111001111110011…
…110101000111101010
311211221112112110012222
4233033303311013222
51312344131022030
635145555434042
73444110220245
oct571763650752
9154845473188
1050731110890
111a573431529
1299b98b5922
134a26382915
14265388625c
1514bdb603e5
hexbcfcf51ea

50731110890 has 32 divisors (see below), whose sum is σ = 91770857280. Its totient is φ = 20191469184.

The previous prime is 50731110889. The next prime is 50731110893. The reversal of 50731110890 is 9801113705.

It is a super-2 number, since 2×507311108902 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 50731110890.

It is not an unprimeable number, because it can be changed into a prime (50731110893) by changing a digit.

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, 4723046 + ... + 4733774.

It is an arithmetic number, because the mean of its divisors is an integer number (2867839290).

Almost surely, 250731110890 is an apocalyptic number.

50731110890 is a deficient number, since it is larger than the sum of its proper divisors (41039746390).

50731110890 is a wasteful number, since it uses less digits than its factorization.

50731110890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13046.

The product of its (nonzero) digits is 7560, while the sum is 35.

The spelling of 50731110890 in words is "fifty billion, seven hundred thirty-one million, one hundred ten thousand, eight hundred ninety".

Divisors: 1 2 5 10 227 454 1135 2083 2270 4166 10415 10729 20830 21458 53645 107290 472841 945682 2364205 2435483 4728410 4870966 12177415 22348507 24354830 44697014 111742535 223485070 5073111089 10146222178 25365555445 50731110890