Base | Representation |
---|---|
bin | 111001101110001101… |
… | …0111011001100010001 |
3 | 102211221210012122100212 |
4 | 1303130122323030101 |
5 | 4012331011130001 |
6 | 132540051253505 |
7 | 11645526135365 |
oct | 1633432731421 |
9 | 384853178325 |
10 | 123957130001 |
11 | 4862a6284a1 |
12 | 20034baa295 |
13 | b8c5c78b03 |
14 | 5ddcadb2a5 |
15 | 33575ad7bb |
hex | 1cdc6bb311 |
123957130001 has 2 divisors, whose sum is σ = 123957130002. Its totient is φ = 123957130000.
The previous prime is 123957129973. The next prime is 123957130009. The reversal of 123957130001 is 100031759321.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 91174406401 + 32782723600 = 301951^2 + 181060^2 .
It is a cyclic number.
It is not a de Polignac number, because 123957130001 - 214 = 123957113617 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 123957130001.
It is not a weakly prime, because it can be changed into another prime (123957130009) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61978565000 + 61978565001.
It is an arithmetic number, because the mean of its divisors is an integer number (61978565001).
Almost surely, 2123957130001 is an apocalyptic number.
It is an amenable number.
123957130001 is a deficient number, since it is larger than the sum of its proper divisors (1).
123957130001 is an equidigital number, since it uses as much as digits as its factorization.
123957130001 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 5670, while the sum is 32.
Adding to 123957130001 its reverse (100031759321), we get a palindrome (223988889322).
The spelling of 123957130001 in words is "one hundred twenty-three billion, nine hundred fifty-seven million, one hundred thirty thousand, one".
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