Base | Representation |
---|---|
bin | 111011101010010001… |
… | …1110101001100011101 |
3 | 110020200220210020102021 |
4 | 1313110203311030131 |
5 | 4044342233324201 |
6 | 134505124500141 |
7 | 12153636565402 |
oct | 1672443651435 |
9 | 406626706367 |
10 | 128120214301 |
11 | 4a376580332 |
12 | 209b724a651 |
13 | c10a5caac1 |
14 | 62b59842a9 |
15 | 34ecce9ea1 |
hex | 1dd48f531d |
128120214301 has 2 divisors, whose sum is σ = 128120214302. Its totient is φ = 128120214300.
The previous prime is 128120214283. The next prime is 128120214311. The reversal of 128120214301 is 103412021821.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 126017900100 + 2102314201 = 354990^2 + 45851^2 .
It is an emirp because it is prime and its reverse (103412021821) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 128120214301 - 29 = 128120213789 is a prime.
It is a super-3 number, since 3×1281202143013 (a number of 34 digits) contains 333 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (128120214311) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64060107150 + 64060107151.
It is an arithmetic number, because the mean of its divisors is an integer number (64060107151).
Almost surely, 2128120214301 is an apocalyptic number.
It is an amenable number.
128120214301 is a deficient number, since it is larger than the sum of its proper divisors (1).
128120214301 is an equidigital number, since it uses as much as digits as its factorization.
128120214301 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 768, while the sum is 25.
The spelling of 128120214301 in words is "one hundred twenty-eight billion, one hundred twenty million, two hundred fourteen thousand, three hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •