Base | Representation |
---|---|
bin | 111001010010010010… |
… | …1010001111000101101 |
3 | 102202112111102210001022 |
4 | 1302210211101320231 |
5 | 4003421200222201 |
6 | 132303104223525 |
7 | 11613362316644 |
oct | 1624445217055 |
9 | 382474383038 |
10 | 123020320301 |
11 | 481998444aa |
12 | 1ba1330aba5 |
13 | b7a6b64a48 |
14 | 5d5051c35b |
15 | 330021041b |
hex | 1ca4951e2d |
123020320301 has 2 divisors, whose sum is σ = 123020320302. Its totient is φ = 123020320300.
The previous prime is 123020320193. The next prime is 123020320303. The reversal of 123020320301 is 103023020321.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 98473578025 + 24546742276 = 313805^2 + 156674^2 .
It is a cyclic number.
It is not a de Polignac number, because 123020320301 - 210 = 123020319277 is a prime.
Together with 123020320303, it forms a pair of twin primes.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 123020320301.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (123020320303) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61510160150 + 61510160151.
It is an arithmetic number, because the mean of its divisors is an integer number (61510160151).
Almost surely, 2123020320301 is an apocalyptic number.
It is an amenable number.
123020320301 is a deficient number, since it is larger than the sum of its proper divisors (1).
123020320301 is an equidigital number, since it uses as much as digits as its factorization.
123020320301 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 216, while the sum is 17.
Adding to 123020320301 its reverse (103023020321), we get a palindrome (226043340622).
The spelling of 123020320301 in words is "one hundred twenty-three billion, twenty million, three hundred twenty thousand, three hundred one".
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