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20067940850 = 2523731076029
BaseRepresentation
bin10010101100001001…
…000111100111110010
31220210120101000120112
4102230021013213302
5312044343101400
613115153341322
71310205453116
oct225411074762
956716330515
1020067940850
118568913a91
123a80867842
131b7a7a5119
14d8532d746
157c6bdb835
hex4ac2479f2

20067940850 has 24 divisors (see below), whose sum is σ = 37426475460. Its totient is φ = 8005648320.

The previous prime is 20067940813. The next prime is 20067940877. The reversal of 20067940850 is 5804976002.

It can be written as a sum of positive squares in 6 ways, for example, as 13071120241 + 6996820609 = 114329^2 + 83647^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20067940798 and 20067940807.

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 11 ways as a sum of consecutive naturals, for example, 519365 + ... + 556664.

Almost surely, 220067940850 is an apocalyptic number.

20067940850 is a deficient number, since it is larger than the sum of its proper divisors (17358534610).

20067940850 is a wasteful number, since it uses less digits than its factorization.

20067940850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076414 (or 1076409 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 20067940850 in words is "twenty billion, sixty-seven million, nine hundred forty thousand, eight hundred fifty".

Divisors: 1 2 5 10 25 50 373 746 1865 3730 9325 18650 1076029 2152058 5380145 10760290 26900725 53801450 401358817 802717634 2006794085 4013588170 10033970425 20067940850