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20102201310323 = 1117587918285151
BaseRepresentation
bin1001001001000011010001…
…00100010111110001110011
32122011202021222020222222102
410210201220210113301303
510113323302013412243
6110430453534531015
74143223200564506
oct444415044276163
978152258228872
1020102201310323
116450328638170
122307b36666a6b
13b2a824b93362
144d6d477bb13d
1524cd8749a9b8
hex124868917c73

20102201310323 has 16 divisors (see below), whose sum is σ = 23223605852160. Its totient is φ = 17196817872000.

The previous prime is 20102201310287. The next prime is 20102201310337. The reversal of 20102201310323 is 32301310220102.

It is a cyclic number.

It is not a de Polignac number, because 20102201310323 - 212 = 20102201306227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20102201310295 and 20102201310304.

It is not an unprimeable number, because it can be changed into a prime (20102201310623) 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, 8043203 + ... + 10241948.

It is an arithmetic number, because the mean of its divisors is an integer number (1451475365760).

Almost surely, 220102201310323 is an apocalyptic number.

20102201310323 is a deficient number, since it is larger than the sum of its proper divisors (3121404541837).

20102201310323 is a wasteful number, since it uses less digits than its factorization.

20102201310323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18291058.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20102201310323 its reverse (32301310220102), we get a palindrome (52403511530425).

The spelling of 20102201310323 in words is "twenty trillion, one hundred two billion, two hundred one million, three hundred ten thousand, three hundred twenty-three".

Divisors: 1 11 17 187 5879 64669 99943 1099373 18285151 201136661 310847567 3419323237 107498402729 1182482430019 1827472846393 20102201310323