Base | Representation |
---|---|
bin | 101111100010111000… |
… | …0001110011001101011 |
3 | 100202112122221001220012 |
4 | 1133011300032121223 |
5 | 3133101103020014 |
6 | 114523252122135 |
7 | 10243116456026 |
oct | 1370560163153 |
9 | 322478831805 |
10 | 102102001259 |
11 | 3a334a10825 |
12 | 1795590634b |
13 | 982214b47b |
14 | 4d282ac1bd |
15 | 29c8a49c3e |
hex | 17c5c0e66b |
102102001259 has 2 divisors, whose sum is σ = 102102001260. Its totient is φ = 102102001258.
The previous prime is 102102001193. The next prime is 102102001273. The reversal of 102102001259 is 952100201201.
It is a strong prime.
It is an emirp because it is prime and its reverse (952100201201) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 102102001259 - 220 = 102100952683 is a prime.
It is a super-2 number, since 2×1021020012592 (a number of 23 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (102102201259) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51051000629 + 51051000630.
It is an arithmetic number, because the mean of its divisors is an integer number (51051000630).
Almost surely, 2102102001259 is an apocalyptic number.
102102001259 is a deficient number, since it is larger than the sum of its proper divisors (1).
102102001259 is an equidigital number, since it uses as much as digits as its factorization.
102102001259 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 360, while the sum is 23.
The spelling of 102102001259 in words is "one hundred two billion, one hundred two million, one thousand, two hundred fifty-nine".
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