Base | Representation |
---|---|
bin | 1101011100100011001… |
… | …1100100110110101011 |
3 | 211002020221110011020002 |
4 | 3113020303210312223 |
5 | 12241043032331222 |
6 | 254042043253215 |
7 | 22455310362521 |
oct | 3271063446653 |
9 | 732227404202 |
10 | 231002230187 |
11 | 89a70811643 |
12 | 3892a21a20b |
13 | 18a25222591 |
14 | b275698311 |
15 | 6020070392 |
hex | 35c8ce4dab |
231002230187 has 2 divisors, whose sum is σ = 231002230188. Its totient is φ = 231002230186.
The previous prime is 231002230181. The next prime is 231002230201. The reversal of 231002230187 is 781032200132.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 231002230187 - 234 = 213822361003 is a prime.
It is not a weakly prime, because it can be changed into another prime (231002230181) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115501115093 + 115501115094.
It is an arithmetic number, because the mean of its divisors is an integer number (115501115094).
Almost surely, 2231002230187 is an apocalyptic number.
231002230187 is a deficient number, since it is larger than the sum of its proper divisors (1).
231002230187 is an equidigital number, since it uses as much as digits as its factorization.
231002230187 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 4032, while the sum is 29.
The spelling of 231002230187 in words is "two hundred thirty-one billion, two million, two hundred thirty thousand, one hundred eighty-seven".
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