Base | Representation |
---|---|
bin | 1101011001010110101… |
… | …1001110001100010101 |
3 | 211000001011021222110001 |
4 | 3112111223032030111 |
5 | 12232313431332242 |
6 | 253421001131301 |
7 | 22425123066343 |
oct | 3262553161425 |
9 | 730034258401 |
10 | 230144402197 |
11 | 89670573796 |
12 | 3872aa89b31 |
13 | 189195a3258 |
14 | b1d3798993 |
15 | 5ebeac3eb7 |
hex | 3595ace315 |
230144402197 has 2 divisors, whose sum is σ = 230144402198. Its totient is φ = 230144402196.
The previous prime is 230144402171. The next prime is 230144402249. The reversal of 230144402197 is 791204441032.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 145245594321 + 84898807876 = 381111^2 + 291374^2 .
It is a cyclic number.
It is not a de Polignac number, because 230144402197 - 27 = 230144402069 is a prime.
It is a super-2 number, since 2×2301444021972 (a number of 24 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (230144402497) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115072201098 + 115072201099.
It is an arithmetic number, because the mean of its divisors is an integer number (115072201099).
Almost surely, 2230144402197 is an apocalyptic number.
It is an amenable number.
230144402197 is a deficient number, since it is larger than the sum of its proper divisors (1).
230144402197 is an equidigital number, since it uses as much as digits as its factorization.
230144402197 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 48384, while the sum is 37.
The spelling of 230144402197 in words is "two hundred thirty billion, one hundred forty-four million, four hundred two thousand, one hundred ninety-seven".
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