Base | Representation |
---|---|
bin | 111001000001111101… |
… | …0011001101111111001 |
3 | 102201010022001212020121 |
4 | 1302003322121233321 |
5 | 4001310341200101 |
6 | 132132444253241 |
7 | 11563655413663 |
oct | 1620372315771 |
9 | 381108055217 |
10 | 122472209401 |
11 | 47a38407693 |
12 | 1b89b841221 |
13 | b71a436379 |
14 | 5cdb801533 |
15 | 32bc0420a1 |
hex | 1c83e99bf9 |
122472209401 has 2 divisors, whose sum is σ = 122472209402. Its totient is φ = 122472209400.
The previous prime is 122472209351. The next prime is 122472209429. The reversal of 122472209401 is 104902274221.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 86069477376 + 36402732025 = 293376^2 + 190795^2 .
It is a cyclic number.
It is not a de Polignac number, because 122472209401 - 219 = 122471685113 is a prime.
It is not a weakly prime, because it can be changed into another prime (122472203401) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61236104700 + 61236104701.
It is an arithmetic number, because the mean of its divisors is an integer number (61236104701).
Almost surely, 2122472209401 is an apocalyptic number.
It is an amenable number.
122472209401 is a deficient number, since it is larger than the sum of its proper divisors (1).
122472209401 is an equidigital number, since it uses as much as digits as its factorization.
122472209401 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 16128, while the sum is 34.
The spelling of 122472209401 in words is "one hundred twenty-two billion, four hundred seventy-two million, two hundred nine thousand, four hundred one".
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