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20010211000109 = 112909118190919
BaseRepresentation
bin1001000110010111111011…
…00001001011111100101101
32121211221212000021001111222
410203023331201023330231
510110321403004000414
6110320321455153125
74133455453054331
oct443137541137455
977757760231458
1020010211000109
116415312498600
1222b21432157a5
13b21c5490a335
144d26dc4277c1
1524a7a152268e
hex1232fd84bf2d

20010211000109 has 12 divisors (see below), whose sum is σ = 21997115337120. Its totient is φ = 18189098908200.

The previous prime is 20010211000099. The next prime is 20010211000123. The reversal of 20010211000109 is 90100011201002.

It is not a de Polignac number, because 20010211000109 - 232 = 20005916032813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010211000159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7995449 + ... + 10195470.

It is an arithmetic number, because the mean of its divisors is an integer number (1833092944760).

Almost surely, 220010211000109 is an apocalyptic number.

It is an amenable number.

20010211000109 is a deficient number, since it is larger than the sum of its proper divisors (1986904337011).

20010211000109 is a wasteful number, since it uses less digits than its factorization.

20010211000109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18200032 (or 18200021 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 17.

It can be divided in two parts, 200102 and 11000109, that added together give a palindrome (11200211).

The spelling of 20010211000109 in words is "twenty trillion, ten billion, two hundred eleven million, one hundred nine", and thus it is an aban number.

Divisors: 1 11 121 9091 100001 1100011 18190919 200100109 2201101199 165373644629 1819110090919 20010211000109