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211002101210 = 2521100210121
BaseRepresentation
bin1100010010000010110…
…1001000110111011010
3202011122002200100001102
43010200231020313122
511424113014214320
6240533311151402
721146554160555
oct3044055106732
9664562610042
10211002101210
118153820472a
1234a88215562
1316b88801034
14a2d937b69c
15574e2cb175
hex3120b48dda

211002101210 has 8 divisors (see below), whose sum is σ = 379803782196. Its totient is φ = 84400840480.

The previous prime is 211002101207. The next prime is 211002101221. The reversal of 211002101210 is 12101200112.

It can be written as a sum of positive squares in 2 ways, for example, as 203208919369 + 7793181841 = 450787^2 + 88279^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 211002101191 and 211002101200.

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 3 ways as a sum of consecutive naturals, for example, 10550105051 + ... + 10550105070.

Almost surely, 2211002101210 is an apocalyptic number.

211002101210 is a deficient number, since it is larger than the sum of its proper divisors (168801680986).

211002101210 is a wasteful number, since it uses less digits than its factorization.

211002101210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21100210128.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 211002101210 its reverse (12101200112), we get a palindrome (223103301322).

The spelling of 211002101210 in words is "two hundred eleven billion, two million, one hundred one thousand, two hundred ten".

Divisors: 1 2 5 10 21100210121 42200420242 105501050605 211002101210