Search a number
-
+
805252800804 = 223175966903689
BaseRepresentation
bin10111011011111001100…
…11101010000100100100
32211222111110012200001120
423231330303222010210
5101143124204111204
61413532242053540
7112114625605044
oct13557463520444
92758443180046
10805252800804
11290562238791
1211009164a2b0
135ac202bb72a
142ad8dc31724
1515e2e5326d9
hexbb7ccea124

805252800804 has 48 divisors (see below), whose sum is σ = 2023167585600. Its totient is φ = 248346489856.

The previous prime is 805252800799. The next prime is 805252800817. The reversal of 805252800804 is 408008252508.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33439809 + ... + 33463880.

It is an arithmetic number, because the mean of its divisors is an integer number (42149324700).

Almost surely, 2805252800804 is an apocalyptic number.

It is an amenable number.

805252800804 is an abundant number, since it is smaller than the sum of its proper divisors (1217914784796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

805252800804 is a wasteful number, since it uses less digits than its factorization.

805252800804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66903772 (or 66903770 counting only the distinct ones).

The product of its (nonzero) digits is 204800, while the sum is 42.

The spelling of 805252800804 in words is "eight hundred five billion, two hundred fifty-two million, eight hundred thousand, eight hundred four".

Divisors: 1 2 3 4 6 12 17 34 51 59 68 102 118 177 204 236 354 708 1003 2006 3009 4012 6018 12036 66903689 133807378 200711067 267614756 401422134 802844268 1137362713 2274725426 3412088139 3947317651 4549450852 6824176278 7894635302 11841952953 13648352556 15789270604 23683905906 47367811812 67104400067 134208800134 201313200201 268417600268 402626400402 805252800804