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211001002210 = 2521100100221
BaseRepresentation
bin1100010010000010100…
…0111100100011100010
3202011122000121111111201
43010200220330203202
511424112224032320
6240533231431414
721146541632515
oct3044050744342
9664560544451
10211001002210
1181537623a69
1234a8798556a
1316b88507a3b
14a2d9172d7c
15574e16070a
hex3120a3c8e2

211001002210 has 8 divisors (see below), whose sum is σ = 379801803996. Its totient is φ = 84400400880.

The previous prime is 211001002189. The next prime is 211001002211. The reversal of 211001002210 is 12200100112.

It can be written as a sum of positive squares in 2 ways, for example, as 206618429809 + 4382572401 = 454553^2 + 66201^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 21100100221 = 211001002210 / (2 + 1 + 1 + 0 + 0 + 1 + 0 + 0 + 2 + 2 + 1 + 0).

It is not an unprimeable number, because it can be changed into a prime (211001002211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10550050101 + ... + 10550050120.

Almost surely, 2211001002210 is an apocalyptic number.

211001002210 is a deficient number, since it is larger than the sum of its proper divisors (168800801786).

211001002210 is a wasteful number, since it uses less digits than its factorization.

211001002210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21100100228.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 211001002210 its reverse (12200100112), we get a palindrome (223201102322).

The spelling of 211001002210 in words is "two hundred eleven billion, one million, two thousand, two hundred ten".

Divisors: 1 2 5 10 21100100221 42200200442 105500501105 211001002210