Base | Representation |
---|---|
bin | 111001011000010101… |
… | …0111001100100010011 |
3 | 102210001122001002010201 |
4 | 1302300222321210103 |
5 | 4004330104321042 |
6 | 132335151040031 |
7 | 11621404145101 |
oct | 1626052714423 |
9 | 383048032121 |
10 | 123223120147 |
11 | 48293269a86 |
12 | 1ba6b210017 |
13 | b809b8c55a |
14 | 5d6d42cc71 |
15 | 3312e1e1b7 |
hex | 1cb0ab9913 |
123223120147 has 2 divisors, whose sum is σ = 123223120148. Its totient is φ = 123223120146.
The previous prime is 123223120117. The next prime is 123223120159. The reversal of 123223120147 is 741021322321.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-123223120147 is a prime.
It is not a weakly prime, because it can be changed into another prime (123223120117) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61611560073 + 61611560074.
It is an arithmetic number, because the mean of its divisors is an integer number (61611560074).
Almost surely, 2123223120147 is an apocalyptic number.
123223120147 is a deficient number, since it is larger than the sum of its proper divisors (1).
123223120147 is an equidigital number, since it uses as much as digits as its factorization.
123223120147 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 4032, while the sum is 28.
Adding to 123223120147 its reverse (741021322321), we get a palindrome (864244442468).
The spelling of 123223120147 in words is "one hundred twenty-three billion, two hundred twenty-three million, one hundred twenty thousand, one hundred forty-seven".
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