Base | Representation |
---|---|
bin | 1101011001111100010… |
… | …1001111111011011001 |
3 | 211000110011020221202121 |
4 | 3112133011033323121 |
5 | 12233124332014433 |
6 | 253444355501241 |
7 | 22432050366466 |
oct | 3263705177331 |
9 | 730404227677 |
10 | 230302219993 |
11 | 8974166561a |
12 | 387738b7821 |
13 | 189431ab671 |
14 | b20a71a66d |
15 | 5ecd899c2d |
hex | 359f14fed9 |
230302219993 has 2 divisors, whose sum is σ = 230302219994. Its totient is φ = 230302219992.
The previous prime is 230302219991. The next prime is 230302220059. The reversal of 230302219993 is 399912203032.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 201267082384 + 29035137609 = 448628^2 + 170397^2 .
It is a cyclic number.
It is not a de Polignac number, because 230302219993 - 21 = 230302219991 is a prime.
It is a super-2 number, since 2×2303022199932 (a number of 24 digits) contains 22 as substring.
Together with 230302219991, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (230302219991) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115151109996 + 115151109997.
It is an arithmetic number, because the mean of its divisors is an integer number (115151109997).
Almost surely, 2230302219993 is an apocalyptic number.
It is an amenable number.
230302219993 is a deficient number, since it is larger than the sum of its proper divisors (1).
230302219993 is an equidigital number, since it uses as much as digits as its factorization.
230302219993 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 157464, while the sum is 43.
The spelling of 230302219993 in words is "two hundred thirty billion, three hundred two million, two hundred nineteen thousand, nine hundred ninety-three".
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