Base | Representation |
---|---|
bin | 1011010000001101110… |
… | …0000111010111101011 |
3 | 200111000120211002002212 |
4 | 2310003130013113223 |
5 | 11131420243331222 |
6 | 224452023115335 |
7 | 16652633225264 |
oct | 2640334072753 |
9 | 614016732085 |
10 | 193331230187 |
11 | 74a9a491797 |
12 | 315762a2b4b |
13 | 15300829c34 |
14 | 950054796b |
15 | 5067c876e2 |
hex | 2d037075eb |
193331230187 has 2 divisors, whose sum is σ = 193331230188. Its totient is φ = 193331230186.
The previous prime is 193331230129. The next prime is 193331230237. The reversal of 193331230187 is 781032133391.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 193331230187 - 26 = 193331230123 is a prime.
It is not a weakly prime, because it can be changed into another prime (193331233187) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96665615093 + 96665615094.
It is an arithmetic number, because the mean of its divisors is an integer number (96665615094).
Almost surely, 2193331230187 is an apocalyptic number.
193331230187 is a deficient number, since it is larger than the sum of its proper divisors (1).
193331230187 is an equidigital number, since it uses as much as digits as its factorization.
193331230187 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 81648, while the sum is 41.
The spelling of 193331230187 in words is "one hundred ninety-three billion, three hundred thirty-one million, two hundred thirty thousand, one hundred eighty-seven".
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