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2805550012 = 223797195427
BaseRepresentation
bin1010011100111001…
…0100101110111100
321020112010201002201
42213032110232330
521221210100022
61142220401244
7126344532046
oct24716245674
97215121081
102805550012
11120a729281
126636a6224
13359321485
141c886aa96
15116484127
hexa7394bbc

2805550012 has 24 divisors (see below), whose sum is σ = 5094417104. Its totient is φ = 1350784512.

The previous prime is 2805549997. The next prime is 2805550037. The reversal of 2805550012 is 2100555082.

It is a super-2 number, since 2×28055500122 = 15742221739666400288, which contains 22 as substring.

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, 83358 + ... + 112069.

Almost surely, 22805550012 is an apocalyptic number.

It is an amenable number.

2805550012 is a deficient number, since it is larger than the sum of its proper divisors (2288867092).

2805550012 is a wasteful number, since it uses less digits than its factorization.

2805550012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195565 (or 195563 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 2805550012 is about 52967.4429437556. The cubic root of 2805550012 is about 1410.3903839998.

The spelling of 2805550012 in words is "two billion, eight hundred five million, five hundred fifty thousand, twelve".

Divisors: 1 2 4 37 74 97 148 194 388 3589 7178 14356 195427 390854 781708 7230799 14461598 18956419 28923196 37912838 75825676 701387503 1402775006 2805550012