Base | Representation |
---|---|
bin | 111000111001110110… |
… | …0110110010110001111 |
3 | 102200102100021102101202 |
4 | 1301303230312112033 |
5 | 4000231224033241 |
6 | 132045450500115 |
7 | 11554143512045 |
oct | 1616354662617 |
9 | 380370242352 |
10 | 122200221071 |
11 | 47908925845 |
12 | 1b82473463b |
13 | b6a5c95526 |
14 | 5cb3640395 |
15 | 32a3217d9b |
hex | 1c73b3658f |
122200221071 has 2 divisors, whose sum is σ = 122200221072. Its totient is φ = 122200221070.
The previous prime is 122200221029. The next prime is 122200221089. The reversal of 122200221071 is 170122002221.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-122200221071 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (122200224071) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61100110535 + 61100110536.
It is an arithmetic number, because the mean of its divisors is an integer number (61100110536).
Almost surely, 2122200221071 is an apocalyptic number.
122200221071 is a deficient number, since it is larger than the sum of its proper divisors (1).
122200221071 is an equidigital number, since it uses as much as digits as its factorization.
122200221071 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 224, while the sum is 20.
Adding to 122200221071 its reverse (170122002221), we get a palindrome (292322223292).
The spelling of 122200221071 in words is "one hundred twenty-two billion, two hundred million, two hundred twenty-one thousand, seventy-one".
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