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20002012121190 = 2351160612157943
BaseRepresentation
bin1001000110001000101001…
…10100111100100001100110
32121211011200121121212000210
410203010110310330201212
510110203110100334230
6110312444132520250
74133045335536261
oct443042464744146
977734617555023
1020002012121190
116411895433510
1222b0635480086
13b212491132a8
144d216158dcd8
1524a47183eeb0
hex123114d3c866

20002012121190 has 32 divisors (see below), whose sum is σ = 52368904463616. Its totient is φ = 4848972635360.

The previous prime is 20002012121177. The next prime is 20002012121191. The reversal of 20002012121190 is 9112121020002.

It is a super-2 number, since 2×200020121211902 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002012121191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30306078642 + ... + 30306079301.

It is an arithmetic number, because the mean of its divisors is an integer number (1636528264488).

Almost surely, 220002012121190 is an apocalyptic number.

20002012121190 is an abundant number, since it is smaller than the sum of its proper divisors (32366892342426).

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

20002012121190 is a wasteful number, since it uses less digits than its factorization.

20002012121190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60612157964.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 20002012121190 its reverse (9112121020002), we get a palindrome (29114133141192).

The spelling of 20002012121190 in words is "twenty trillion, two billion, twelve million, one hundred twenty-one thousand, one hundred ninety".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 60612157943 121224315886 181836473829 303060789715 363672947658 606121579430 666733737373 909182369145 1333467474746 1818364738290 2000201212119 3333668686865 4000402424238 6667337373730 10001006060595 20002012121190