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122443032106729 is a prime number
BaseRepresentation
bin11011110101110001111101…
…011011110001011011101001
3121001112102212102200202220001
4123311301331123301123221
5112022101312204403404
61112225315153303001
734535134323361315
oct3365617533613351
9531472772622801
10122443032106729
11360178865a5064
1211896343864a61
1353424365c8009
1422343bac52b45
15e25056cea7a4
hex6f5c7d6f16e9

122443032106729 has 2 divisors, whose sum is σ = 122443032106730. Its totient is φ = 122443032106728.

The previous prime is 122443032106727. The next prime is 122443032106867. The reversal of 122443032106729 is 927601230344221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80742085635600 + 41700946471129 = 8985660^2 + 6457627^2 .

It is a cyclic number.

It is not a de Polignac number, because 122443032106729 - 21 = 122443032106727 is a prime.

It is a super-2 number, since 2×1224430321067292 (a number of 29 digits) contains 22 as substring.

Together with 122443032106727, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (122443032106727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61221516053364 + 61221516053365.

It is an arithmetic number, because the mean of its divisors is an integer number (61221516053365).

Almost surely, 2122443032106729 is an apocalyptic number.

It is an amenable number.

122443032106729 is a deficient number, since it is larger than the sum of its proper divisors (1).

122443032106729 is an equidigital number, since it uses as much as digits as its factorization.

122443032106729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 46.

The spelling of 122443032106729 in words is "one hundred twenty-two trillion, four hundred forty-three billion, thirty-two million, one hundred six thousand, seven hundred twenty-nine".