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2002112211210 = 23583804061129
BaseRepresentation
bin11101001000100111001…
…011111110100100001010
321002101210122100022000220
4131020213023332210022
5230300311211224320
64131431353010510
7264435131001156
oct35104713764412
97071718308026
102002112211210
1170210016a391
122840333b3a36
13116a4c0393a7
146cc8d1d8066
153712d657e40
hex1d2272fe90a

2002112211210 has 32 divisors (see below), whose sum is σ = 4862961714240. Its totient is φ = 527464099968.

The previous prime is 2002112211193. The next prime is 2002112211223. The reversal of 2002112211210 is 121122112002.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2002112211210.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 402028075 + ... + 402033054.

It is an arithmetic number, because the mean of its divisors is an integer number (151967553570).

Almost surely, 22002112211210 is an apocalyptic number.

2002112211210 is an abundant number, since it is smaller than the sum of its proper divisors (2860849503030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2002112211210 is a wasteful number, since it uses less digits than its factorization.

2002112211210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804061222.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2002112211210 its reverse (121122112002), we get a palindrome (2123234323212).

The spelling of 2002112211210 in words is "two trillion, two billion, one hundred twelve million, two hundred eleven thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 83 166 249 415 498 830 1245 2490 804061129 1608122258 2412183387 4020305645 4824366774 8040611290 12060916935 24121833870 66737073707 133474147414 200211221121 333685368535 400422442242 667370737070 1001056105605 2002112211210