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20110201210210 = 257925455950899
BaseRepresentation
bin1001001001010010001010…
…11001100100010101100010
32122012111221111111000112211
410210221011121210111202
510113441143002211320
6110434255432312334
74143625350610006
oct444510531442542
978174844430484
1020110201210210
116453763347381
1223095a98426aa
13b2b4cb39ca27
144d74a605a706
1524d1a497655a
hex124a45664562

20110201210210 has 16 divisors (see below), whose sum is σ = 36656569296000. Its totient is φ = 7942256680176.

The previous prime is 20110201210159. The next prime is 20110201210247. The reversal of 20110201210210 is 1201210201102.

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, 12727974660 + ... + 12727976239.

It is an arithmetic number, because the mean of its divisors is an integer number (2291035581000).

Almost surely, 220110201210210 is an apocalyptic number.

20110201210210 is a deficient number, since it is larger than the sum of its proper divisors (16546368085790).

20110201210210 is a wasteful number, since it uses less digits than its factorization.

20110201210210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25455950985.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20110201210210 its reverse (1201210201102), we get a palindrome (21311411411312).

The spelling of 20110201210210 in words is "twenty trillion, one hundred ten billion, two hundred one million, two hundred ten thousand, two hundred ten".

Divisors: 1 2 5 10 79 158 395 790 25455950899 50911901798 127279754495 254559508990 2011020121021 4022040242042 10055100605105 20110201210210