Base | Representation |
---|---|
bin | 1110110011001… |
… | …11010011111101 |
3 | 22122121201211021 |
4 | 13121213103331 |
5 | 223240431013 |
6 | 20153024141 |
7 | 3035205214 |
oct | 731472375 |
9 | 278551737 |
10 | 124155133 |
11 | 6409a653 |
12 | 356b5051 |
13 | 1c95029b |
14 | 126bc07b |
15 | ad76a8d |
hex | 76674fd |
124155133 has 2 divisors, whose sum is σ = 124155134. Its totient is φ = 124155132.
The previous prime is 124155107. The next prime is 124155149. The reversal of 124155133 is 331551421.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 91642329 + 32512804 = 9573^2 + 5702^2 .
It is an emirp because it is prime and its reverse (331551421) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-124155133 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 124155098 and 124155107.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (124155103) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62077566 + 62077567.
It is an arithmetic number, because the mean of its divisors is an integer number (62077567).
Almost surely, 2124155133 is an apocalyptic number.
It is an amenable number.
124155133 is a deficient number, since it is larger than the sum of its proper divisors (1).
124155133 is an equidigital number, since it uses as much as digits as its factorization.
124155133 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1800, while the sum is 25.
The square root of 124155133 is about 11142.4922257097. The cubic root of 124155133 is about 498.8709631371.
The spelling of 124155133 in words is "one hundred twenty-four million, one hundred fifty-five thousand, one hundred thirty-three".
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