Base | Representation |
---|---|
bin | 111001010100101010… |
… | …1010001101100100101 |
3 | 102202202001101111112211 |
4 | 1302221111101230211 |
5 | 4004102100330201 |
6 | 132315032243421 |
7 | 11615350555141 |
oct | 1625125215445 |
9 | 382661344484 |
10 | 123100011301 |
11 | 4822a824533 |
12 | 1ba35b40571 |
13 | b7ba517597 |
14 | 5d5ad44221 |
15 | 3307202651 |
hex | 1ca9551b25 |
123100011301 has 2 divisors, whose sum is σ = 123100011302. Its totient is φ = 123100011300.
The previous prime is 123100011299. The next prime is 123100011371. The reversal of 123100011301 is 103110001321.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 116298050625 + 6801960676 = 341025^2 + 82474^2 .
It is a cyclic number.
It is not a de Polignac number, because 123100011301 - 21 = 123100011299 is a prime.
It is a super-2 number, since 2×1231000113012 (a number of 23 digits) contains 22 as substring.
Together with 123100011299, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (123100011371) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61550005650 + 61550005651.
It is an arithmetic number, because the mean of its divisors is an integer number (61550005651).
Almost surely, 2123100011301 is an apocalyptic number.
It is an amenable number.
123100011301 is a deficient number, since it is larger than the sum of its proper divisors (1).
123100011301 is an equidigital number, since it uses as much as digits as its factorization.
123100011301 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 18, while the sum is 13.
Adding to 123100011301 its reverse (103110001321), we get a palindrome (226210012622).
The spelling of 123100011301 in words is "one hundred twenty-three billion, one hundred million, eleven thousand, three hundred one".
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