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14895470209 = 3141272
BaseRepresentation
bin11011101111101011…
…01101011010000001
31102110002110021202211
431313311231122001
5221001220021314
610502021342121
71035060256564
oct156765553201
942402407684
1014895470209
116354117264
122a78567941
131534caa7c9
14a143b44db
155c2a679c4
hex377d6d681

14895470209 has 15 divisors (see below), whose sum is σ = 15514136385. Its totient is φ = 14301467460.

The previous prime is 14895470189. The next prime is 14895470231. The reversal of 14895470209 is 90207459841.

The square root of 14895470209 is 122047.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 14895470209 - 27 = 14895470081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14895470269) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 117287104 + ... + 117287230.

It is an arithmetic number, because the mean of its divisors is an integer number (1034275759).

Almost surely, 214895470209 is an apocalyptic number.

14895470209 is the 122047-th square number.

14895470209 is the 61024-th centered octagonal number.

It is an amenable number.

14895470209 is a deficient number, since it is larger than the sum of its proper divisors (618666176).

14895470209 is an frugal number, since it uses more digits than its factorization.

14895470209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378 (or 158 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 49.

Multiplying 14895470209 by its sum of digits (49), we get a square (729878040241 = 8543292).

The spelling of 14895470209 in words is "fourteen billion, eight hundred ninety-five million, four hundred seventy thousand, two hundred nine".

Divisors: 1 31 127 961 3937 16129 29791 122047 499999 923521 3783457 15499969 117287167 480499039 14895470209