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13122100211173 is a prime number
BaseRepresentation
bin1011111011110011101000…
…0111110010110111100101
31201110110102201120220212221
42332330322013302313211
53204443030123224143
643524113135512341
72523016606310422
oct276747207626745
951413381526787
1013122100211173
1141aa062527628
12157b1989886b1
13742541005795
14335182270d49
1517b508be72ed
hexbef3a1f2de5

13122100211173 has 2 divisors, whose sum is σ = 13122100211174. Its totient is φ = 13122100211172.

The previous prime is 13122100211167. The next prime is 13122100211369. The reversal of 13122100211173 is 37111200122131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9509964295329 + 3612135915844 = 3083823^2 + 1900562^2 .

It is a cyclic number.

It is not a de Polignac number, because 13122100211173 - 241 = 10923076955621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13122100211873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6561050105586 + 6561050105587.

It is an arithmetic number, because the mean of its divisors is an integer number (6561050105587).

Almost surely, 213122100211173 is an apocalyptic number.

It is an amenable number.

13122100211173 is a deficient number, since it is larger than the sum of its proper divisors (1).

13122100211173 is an equidigital number, since it uses as much as digits as its factorization.

13122100211173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 25.

The spelling of 13122100211173 in words is "thirteen trillion, one hundred twenty-two billion, one hundred million, two hundred eleven thousand, one hundred seventy-three".