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2050688882 = 2112412712
BaseRepresentation
bin111101000111011…
…0000011101110010
312021220201210022002
41322032300131302
513144434021012
6535253214002
7101550365534
oct17216603562
95256653262
102050688882
11962618a00
12492931302
13268b14198
141564d1854
15c00767c2
hex7a3b0772

2050688882 has 54 divisors (see below), whose sum is σ = 3515069901. Its totient is φ = 896588000.

The previous prime is 2050688837. The next prime is 2050688891. The reversal of 2050688882 is 2888860502.

It can be written as a sum of positive squares in 2 ways, for example, as 1464516361 + 586172521 = 38269^2 + 24211^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=32021.

It is a Duffinian number.

It is an unprimeable number.

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 26 ways as a sum of consecutive naturals, for example, 28882907 + ... + 28882977.

Almost surely, 22050688882 is an apocalyptic number.

2050688882 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2050688882 is a deficient number, since it is larger than the sum of its proper divisors (1464381019).

2050688882 is an equidigital number, since it uses as much as digits as its factorization.

2050688882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 47.

The square root of 2050688882 is about 45284.5324807489. The cubic root of 2050688882 is about 1270.4763711928.

The spelling of 2050688882 in words is "two billion, fifty million, six hundred eighty-eight thousand, eight hundred eighty-two".

Divisors: 1 2 11 22 41 71 82 121 142 242 451 781 902 1562 1681 2911 3362 4961 5041 5822 8591 9922 10082 17182 18491 32021 36982 55451 64042 110902 119351 203401 206681 238702 352231 406802 413362 609961 704462 1219922 1312861 2273491 2625722 4546982 8473921 14441471 16947842 25008401 28882942 50016802 93213131 186426262 1025344441 2050688882