Search a number
-
+
6845123350172 = 2217111790119587
BaseRepresentation
bin110001110011100000100…
…1001010100111010011100
3220020101110102012222120102
41203213001021110322130
51344122303034201142
622320334541240232
71304354352315032
oct143470111247234
926211412188512
106845123350172
1121aa000751a88
12926769b63078
133a8652948373
1419943cd32552
15bd0cd931532
hex639c1254e9c

6845123350172 has 24 divisors (see below), whose sum is σ = 12694966122384. Its totient is φ = 3218350655232.

The previous prime is 6845123350081. The next prime is 6845123350207. The reversal of 6845123350172 is 2710533215486.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44983838 + ... + 45135749.

It is an arithmetic number, because the mean of its divisors is an integer number (528956921766).

Almost surely, 26845123350172 is an apocalyptic number.

It is an amenable number.

6845123350172 is a deficient number, since it is larger than the sum of its proper divisors (5849842772212).

6845123350172 is a wasteful number, since it uses less digits than its factorization.

6845123350172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90120725 (or 90120723 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 47.

The spelling of 6845123350172 in words is "six trillion, eight hundred forty-five billion, one hundred twenty-three million, three hundred fifty thousand, one hundred seventy-two".

Divisors: 1 2 4 17 34 68 1117 2234 4468 18989 37978 75956 90119587 180239174 360478348 1532032979 3064065958 6128131916 100663578679 201327157358 402654314716 1711280837543 3422561675086 6845123350172