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1454012109 = 3211210691249
BaseRepresentation
bin101011010101010…
…0111011011001101
310202022222110122100
41112222213123031
510434211341414
6400140305313
751013620234
oct12652473315
93668873570
101454012109
1168682a900
12346b42239
131a23100c4
14db171b1b
15879b3609
hex56aa76cd

1454012109 has 36 divisors (see below), whose sum is σ = 2312537500. Its totient is φ = 879690240.

The previous prime is 1454012071. The next prime is 1454012171. The reversal of 1454012109 is 9012104541.

1454012109 is a `hidden beast` number, since 1 + 4 + 540 + 12 + 109 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 637310025 + 816702084 = 25245^2 + 28578^2 .

It is not a de Polignac number, because 1454012109 - 29 = 1454011597 is a prime.

It is a super-2 number, since 2×14540121092 = 4228302426237255762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1454012009) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1163517 + ... + 1164765.

Almost surely, 21454012109 is an apocalyptic number.

It is an amenable number.

1454012109 is a deficient number, since it is larger than the sum of its proper divisors (858525391).

1454012109 is a wasteful number, since it uses less digits than its factorization.

1454012109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2346 (or 2332 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 1454012109 is about 38131.5107096480. The cubic root of 1454012109 is about 1132.8941680140.

The spelling of 1454012109 in words is "one billion, four hundred fifty-four million, twelve thousand, one hundred nine".

Divisors: 1 3 9 11 33 99 121 363 1069 1089 1249 3207 3747 9621 11241 11759 13739 35277 41217 105831 123651 129349 151129 388047 453387 1164141 1335181 1360161 4005543 12016629 14686991 44060973 132182919 161556901 484670703 1454012109