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212200022020985 = 556335775334121
BaseRepresentation
bin110000001111111010101010…
…111011110001001101111001
31000211100010100101102121222022
4300033322222323301031321
5210303141121114132420
62031151202213404225
762460642235421255
oct6017725273611571
91024303311377868
10212200022020985
116168258442a009
121b971952039675
1391534b770abab
143a587705b7265
15197ec22333c25
hexc0feaaef1379

212200022020985 has 8 divisors (see below), whose sum is σ = 254640481810056. Its totient is φ = 169759714026880.

The previous prime is 212200022020967. The next prime is 212200022021003. The reversal of 212200022020985 is 589020220002212.

It is an interprime number because it is at equal distance from previous prime (212200022020967) and next prime (212200022021003).

It can be written as a sum of positive squares in 4 ways, for example, as 11634832314169 + 200565189706816 = 3410987^2 + 14162104^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212200022020985 - 28 = 212200022020729 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34850276 + ... + 40483845.

It is an arithmetic number, because the mean of its divisors is an integer number (31830060226257).

Almost surely, 2212200022020985 is an apocalyptic number.

It is an amenable number.

212200022020985 is a deficient number, since it is larger than the sum of its proper divisors (42440459789071).

212200022020985 is an equidigital number, since it uses as much as digits as its factorization.

212200022020985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75897483.

The product of its (nonzero) digits is 23040, while the sum is 35.

The spelling of 212200022020985 in words is "two hundred twelve trillion, two hundred billion, twenty-two million, twenty thousand, nine hundred eighty-five".

Divisors: 1 5 563357 2816785 75334121 376670605 42440004404197 212200022020985