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120210020011 = 3117340155897
BaseRepresentation
bin110111111110100010…
…0110101011010101011
3102111021122100201210101
41233331010311122223
53432142231120021
6131120153530231
711453626211434
oct1577504653253
9374248321711
10120210020011
1146a87471284
121b36a113977
13b44986c373
145b651b648b
1531d863da91
hex1bfd1356ab

120210020011 has 16 divisors (see below), whose sum is σ = 125118505728. Its totient is φ = 115369344000.

The previous prime is 120210020009. The next prime is 120210020083. The reversal of 120210020011 is 110020012021.

It is a cyclic number.

It is not a de Polignac number, because 120210020011 - 21 = 120210020009 is a prime.

It is a super-2 number, since 2×1202100200112 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120210020011.

It is not an unprimeable number, because it can be changed into a prime (120210060011) 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 15 ways as a sum of consecutive naturals, for example, 2122615 + ... + 2178511.

It is an arithmetic number, because the mean of its divisors is an integer number (7819906608).

Almost surely, 2120210020011 is an apocalyptic number.

120210020011 is a deficient number, since it is larger than the sum of its proper divisors (4908485717).

120210020011 is a wasteful number, since it uses less digits than its factorization.

120210020011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56502.

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

Adding to 120210020011 its reverse (110020012021), we get a palindrome (230230032032).

The spelling of 120210020011 in words is "one hundred twenty billion, two hundred ten million, twenty thousand, eleven".

Divisors: 1 31 173 401 5363 12431 55897 69373 1732807 2150563 9670181 22414697 299775611 694855607 3877742581 120210020011