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27430404800 = 265217144003
BaseRepresentation
bin11001100010111110…
…101100001011000000
32121210200010221102112
4121202332230023000
5422134140423200
620333520434452
71660515410441
oct314276541300
977720127375
1027430404800
11106a6826137
125396478a28
132781c09476
14148307d2c8
15aa8252535
hex662fac2c0

27430404800 has 42 divisors (see below), whose sum is σ = 67495943748. Its totient is φ = 10972161280.

The previous prime is 27430404773. The next prime is 27430404817. The reversal of 27430404800 is 840403472.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8570402 + ... + 8573601.

Almost surely, 227430404800 is an apocalyptic number.

27430404800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27430404800 is an abundant number, since it is smaller than the sum of its proper divisors (40065538948).

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

27430404800 is a wasteful number, since it uses less digits than its factorization.

27430404800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17144025 (or 17144010 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 32.

The spelling of 27430404800 in words is "twenty-seven billion, four hundred thirty million, four hundred four thousand, eight hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 160 200 320 400 800 1600 17144003 34288006 68576012 85720015 137152024 171440030 274304048 342880060 428600075 548608096 685760120 857200150 1097216192 1371520240 1714400300 2743040480 3428800600 5486080960 6857601200 13715202400 27430404800