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210123331323001 = 4117897517381097
BaseRepresentation
bin101111110001101100100110…
…100001011100010001111001
31000112222121001020111122221121
4233301230212201130101321
5210020130040304314001
62022521154212505241
762154624013635355
oct5761544641342171
91015877036448847
10210123331323001
1160a5189369a798
121b69738661b221
13903271182ccb5
1439c60486aa465
151945bcb6766a1
hexbf1b2685c479

210123331323001 has 16 divisors (see below), whose sum is σ = 215397824357520. Its totient is φ = 204855990174720.

The previous prime is 210123331322999. The next prime is 210123331323013. The reversal of 210123331323001 is 100323133321012.

It can be written as a sum of positive squares in 8 ways, for example, as 11073587290000 + 199049744033001 = 3327700^2 + 14108499^2 .

It is a cyclic number.

It is not a de Polignac number, because 210123331323001 - 21 = 210123331322999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210123331323041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 551173885 + ... + 551554981.

It is an arithmetic number, because the mean of its divisors is an integer number (13462364022345).

Almost surely, 2210123331323001 is an apocalyptic number.

It is an amenable number.

210123331323001 is a deficient number, since it is larger than the sum of its proper divisors (5274493034519).

210123331323001 is a wasteful number, since it uses less digits than its factorization.

210123331323001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390444.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 210123331323001 its reverse (100323133321012), we get a palindrome (310446464644013).

The spelling of 210123331323001 in words is "two hundred ten trillion, one hundred twenty-three billion, three hundred thirty-one million, three hundred twenty-three thousand, one".

Divisors: 1 41 1789 7517 73349 308197 381097 13447913 15624977 551364433 681782533 2864706149 27953083853 117452952109 5124959300561 210123331323001