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11020143211 = 711143118743
BaseRepresentation
bin10100100001101101…
…00000101001101011
31001110000100021112021
422100312200221223
5140032124040321
65021303525311
7540042446260
oct122066405153
931400307467
1011020143211
114745646780
122176759837
13106815accc
14767835267
1544771c941
hex290da0a6b

11020143211 has 8 divisors (see below), whose sum is σ = 13739399424. Its totient is φ = 8587124520.

The previous prime is 11020143193. The next prime is 11020143217. The reversal of 11020143211 is 11234102011.

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

It is a cyclic number.

It is not a de Polignac number, because 11020143211 - 215 = 11020110443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11020143217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71559295 + ... + 71559448.

It is an arithmetic number, because the mean of its divisors is an integer number (1717424928).

Almost surely, 211020143211 is an apocalyptic number.

11020143211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11020143211 is a deficient number, since it is larger than the sum of its proper divisors (2719256213).

11020143211 is a wasteful number, since it uses less digits than its factorization.

11020143211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143118761.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11020143211 its reverse (11234102011), we get a palindrome (22254245222).

The spelling of 11020143211 in words is "eleven billion, twenty million, one hundred forty-three thousand, two hundred eleven".

Divisors: 1 7 11 77 143118743 1001831201 1574306173 11020143211