Search a number
-
+
103893705605849 is a prime number
BaseRepresentation
bin10111100111110110100011…
…011010101100001011011001
3111121212010210222100112102212
4113213312203122230023121
5102104143302113341344
61004544035351004505
730612033606540455
oct2747664332541331
9447763728315385
10103893705605849
1130116089347205
12b79b367969735
1345c819937bb63
141b926a716b665
15c027a8b5479e
hex5e7da36ac2d9

103893705605849 has 2 divisors, whose sum is σ = 103893705605850. Its totient is φ = 103893705605848.

The previous prime is 103893705605827. The next prime is 103893705605857. The reversal of 103893705605849 is 948506507398301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103308928810000 + 584776795849 = 10164100^2 + 764707^2 .

It is a cyclic number.

It is not a de Polignac number, because 103893705605849 - 28 = 103893705605593 is a prime.

It is not a weakly prime, because it can be changed into another prime (103893705605149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51946852802924 + 51946852802925.

It is an arithmetic number, because the mean of its divisors is an integer number (51946852802925).

Almost surely, 2103893705605849 is an apocalyptic number.

It is an amenable number.

103893705605849 is a deficient number, since it is larger than the sum of its proper divisors (1).

103893705605849 is an equidigital number, since it uses as much as digits as its factorization.

103893705605849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 195955200, while the sum is 68.

The spelling of 103893705605849 in words is "one hundred three trillion, eight hundred ninety-three billion, seven hundred five million, six hundred five thousand, eight hundred forty-nine".