Search a number
-
+
208944970127 is a prime number
BaseRepresentation
bin1100001010011000010…
…1110011100110001111
3201222022201211020201022
43002212011303212033
511410404403021002
6235553223504355
721044564641055
oct3024605634617
9658281736638
10208944970127
1180681a966a3
12345b32b80bb
131691b5727ca
14a1820901d5
15567d8d0ba2
hex30a617398f

208944970127 has 2 divisors, whose sum is σ = 208944970128. Its totient is φ = 208944970126.

The previous prime is 208944970109. The next prime is 208944970133. The reversal of 208944970127 is 721079449802.

It is a happy number.

208944970127 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 208944970127 - 214 = 208944953743 is a prime.

It is a super-2 number, since 2×2089449701272 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (208944970177) 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, 104472485063 + 104472485064.

It is an arithmetic number, because the mean of its divisors is an integer number (104472485064).

Almost surely, 2208944970127 is an apocalyptic number.

208944970127 is a deficient number, since it is larger than the sum of its proper divisors (1).

208944970127 is an equidigital number, since it uses as much as digits as its factorization.

208944970127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2032128, while the sum is 53.

The spelling of 208944970127 in words is "two hundred eight billion, nine hundred forty-four million, nine hundred seventy thousand, one hundred twenty-seven".