Base | Representation |
---|---|
bin | 1110010010000001001… |
… | …1001100110110111011 |
3 | 212110022012210110010122 |
4 | 3210200103030312323 |
5 | 13004441342241222 |
6 | 304414202003455 |
7 | 23504061300605 |
oct | 3444023146673 |
9 | 773265713118 |
10 | 245355040187 |
11 | 95066584194 |
12 | 3b674aa658b |
13 | 1a1a195c66a |
14 | bc37970175 |
15 | 65b0144a42 |
hex | 39204ccdbb |
245355040187 has 2 divisors, whose sum is σ = 245355040188. Its totient is φ = 245355040186.
The previous prime is 245355040069. The next prime is 245355040201. The reversal of 245355040187 is 781040553542.
245355040187 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 245355040187 - 28 = 245355039931 is a prime.
It is not a weakly prime, because it can be changed into another prime (245355043187) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122677520093 + 122677520094.
It is an arithmetic number, because the mean of its divisors is an integer number (122677520094).
Almost surely, 2245355040187 is an apocalyptic number.
245355040187 is a deficient number, since it is larger than the sum of its proper divisors (1).
245355040187 is an equidigital number, since it uses as much as digits as its factorization.
245355040187 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 672000, while the sum is 44.
The spelling of 245355040187 in words is "two hundred forty-five billion, three hundred fifty-five million, forty thousand, one hundred eighty-seven".
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