Base | Representation |
---|---|
bin | 10101011101011… |
… | …00001111111101 |
3 | 110112201120002012 |
4 | 22232230033331 |
5 | 332040341104 |
6 | 25510141005 |
7 | 4314035261 |
oct | 1256541775 |
9 | 415646065 |
10 | 180012029 |
11 | 9268077a |
12 | 50351765 |
13 | 2b3a94c2 |
14 | 19c9c0a1 |
15 | 10c0bd6e |
hex | abac3fd |
180012029 has 2 divisors, whose sum is σ = 180012030. Its totient is φ = 180012028.
The previous prime is 180012011. The next prime is 180012043. The reversal of 180012029 is 920210081.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 143952004 + 36060025 = 11998^2 + 6005^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-180012029 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 180011995 and 180012013.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (180012229) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90006014 + 90006015.
It is an arithmetic number, because the mean of its divisors is an integer number (90006015).
Almost surely, 2180012029 is an apocalyptic number.
It is an amenable number.
180012029 is a deficient number, since it is larger than the sum of its proper divisors (1).
180012029 is an equidigital number, since it uses as much as digits as its factorization.
180012029 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 288, while the sum is 23.
The square root of 180012029 is about 13416.8561518710. The cubic root of 180012029 is about 564.6341945178.
The spelling of 180012029 in words is "one hundred eighty million, twelve thousand, twenty-nine".
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