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809380230064 = 24743168060679
BaseRepresentation
bin10111100011100101101…
…00100011001110110000
32212101011002200210120221
423301302310203032300
5101230102314330224
61415454003142424
7112322124304360
oct13616264431660
92771132623527
10809380230064
1129229004844a
12110a43974a14
135b42a438773
142b2620769a0
15160c1a796e4
hexbc72d233b0

809380230064 has 40 divisors (see below), whose sum is σ = 1833878140160. Its totient is φ = 338810326848.

The previous prime is 809380230059. The next prime is 809380230133. The reversal of 809380230064 is 460032083908.

809380230064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a self number, because there is not a number n which added to its sum of digits gives 809380230064.

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, 84025524 + ... + 84035155.

It is an arithmetic number, because the mean of its divisors is an integer number (45846953504).

Almost surely, 2809380230064 is an apocalyptic number.

It is an amenable number.

809380230064 is an abundant number, since it is smaller than the sum of its proper divisors (1024497910096).

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

809380230064 is a wasteful number, since it uses less digits than its factorization.

809380230064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168060737 (or 168060731 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 43.

The spelling of 809380230064 in words is "eight hundred nine billion, three hundred eighty million, two hundred thirty thousand, sixty-four".

Divisors: 1 2 4 7 8 14 16 28 43 56 86 112 172 301 344 602 688 1204 2408 4816 168060679 336121358 672242716 1176424753 1344485432 2352849506 2688970864 4705699012 7226609197 9411398024 14453218394 18822796048 28906436788 50586264379 57812873576 101172528758 115625747152 202345057516 404690115032 809380230064