Base | Representation |
---|---|
bin | 100110110011100… |
… | …1111000101010101 |
3 | 10100202012002222011 |
4 | 1031213033011111 |
5 | 10131321143104 |
6 | 333113104221 |
7 | 44160634243 |
oct | 11547170525 |
9 | 3322162864 |
10 | 1302131029 |
11 | 609023351 |
12 | 3040b8071 |
13 | 179a02c44 |
14 | c4d17793 |
15 | 794b1904 |
hex | 4d9cf155 |
1302131029 has 2 divisors, whose sum is σ = 1302131030. Its totient is φ = 1302131028.
The previous prime is 1302131027. The next prime is 1302131041. The reversal of 1302131029 is 9201312031.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1295856004 + 6275025 = 35998^2 + 2505^2 .
It is a cyclic number.
It is not a de Polignac number, because 1302131029 - 21 = 1302131027 is a prime.
Together with 1302131027, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1302131027) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651065514 + 651065515.
It is an arithmetic number, because the mean of its divisors is an integer number (651065515).
Almost surely, 21302131029 is an apocalyptic number.
It is an amenable number.
1302131029 is a deficient number, since it is larger than the sum of its proper divisors (1).
1302131029 is an equidigital number, since it uses as much as digits as its factorization.
1302131029 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 324, while the sum is 22.
The square root of 1302131029 is about 36085.0527088433. The cubic root of 1302131029 is about 1091.9889138784.
The spelling of 1302131029 in words is "one billion, three hundred two million, one hundred thirty-one thousand, twenty-nine".
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