Base | Representation |
---|---|
bin | 11100000011011111… |
… | …011011100110010101 |
3 | 2212202100101100002211 |
4 | 130003133123212111 |
5 | 443143033422404 |
6 | 21501035433421 |
7 | 2114325120121 |
oct | 340337334625 |
9 | 85670340084 |
10 | 30123342229 |
11 | 11858928962 |
12 | 5a082b5871 |
13 | 2ac0abc376 |
14 | 165a994581 |
15 | bb488eb04 |
hex | 7037db995 |
30123342229 has 2 divisors, whose sum is σ = 30123342230. Its totient is φ = 30123342228.
The previous prime is 30123342211. The next prime is 30123342239. The reversal of 30123342229 is 92224332103.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 15524661604 + 14598680625 = 124598^2 + 120825^2 .
It is an emirp because it is prime and its reverse (92224332103) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30123342229 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 30123342229.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30123342209) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15061671114 + 15061671115.
It is an arithmetic number, because the mean of its divisors is an integer number (15061671115).
Almost surely, 230123342229 is an apocalyptic number.
It is an amenable number.
30123342229 is a deficient number, since it is larger than the sum of its proper divisors (1).
30123342229 is an equidigital number, since it uses as much as digits as its factorization.
30123342229 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 15552, while the sum is 31.
It can be divided in two parts, 3012 and 3342229, that added together give a square (3345241 = 18292).
The spelling of 30123342229 in words is "thirty billion, one hundred twenty-three million, three hundred forty-two thousand, two hundred twenty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •