Search a number
-
+
104985794087 is a prime number
BaseRepresentation
bin110000111000110100…
…1000001011000100111
3101000222122021220221222
41201301221001120213
53210002330402322
6120121345530555
710404434345216
oct1416151013047
9330878256858
10104985794087
114058481aa89
121841b643a5b
139b91736265
14511d2a507d
152ae6cd6e42
hex1871a41627

104985794087 has 2 divisors, whose sum is σ = 104985794088. Its totient is φ = 104985794086.

The previous prime is 104985794083. The next prime is 104985794119. The reversal of 104985794087 is 780497589401.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 104985794087 - 22 = 104985794083 is a prime.

It is a super-2 number, since 2×1049857940872 (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 (104985794083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52492897043 + 52492897044.

It is an arithmetic number, because the mean of its divisors is an integer number (52492897044).

Almost surely, 2104985794087 is an apocalyptic number.

104985794087 is a deficient number, since it is larger than the sum of its proper divisors (1).

104985794087 is an equidigital number, since it uses as much as digits as its factorization.

104985794087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20321280, while the sum is 62.

The spelling of 104985794087 in words is "one hundred four billion, nine hundred eighty-five million, seven hundred ninety-four thousand, eighty-seven".