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20110200000221 = 197971328019547
BaseRepresentation
bin1001001001010010001010…
…10100111100111011011101
32122012111221102012112202102
410210221011110330323131
510113441142200001341
6110434255350334445
74143625334410232
oct444510524747335
978174842175672
1020110200000221
1164537626a0291
1223095a935a425
13b2b4cb068066
144d74a5c23789
1524d1a47d7c9b
hex124a4553cedd

20110200000221 has 8 divisors (see below), whose sum is σ = 21195191986080. Its totient is φ = 19027864055088.

The previous prime is 20110200000211. The next prime is 20110200000229. The reversal of 20110200000221 is 12200000201102.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20110200000221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110200000229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 663994631 + ... + 664024916.

It is an arithmetic number, because the mean of its divisors is an integer number (2649398998260).

Almost surely, 220110200000221 is an apocalyptic number.

It is an amenable number.

20110200000221 is a deficient number, since it is larger than the sum of its proper divisors (1084991985859).

20110200000221 is a wasteful number, since it uses less digits than its factorization.

20110200000221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1328020363.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20110200000221 its reverse (12200000201102), we get a palindrome (32310200201323).

The spelling of 20110200000221 in words is "twenty trillion, one hundred ten billion, two hundred million, two hundred twenty-one", and thus it is an aban number.

Divisors: 1 19 797 15143 1328019547 25232371393 1058431578959 20110200000221