Base | Representation |
---|---|
bin | 101011010101010… |
… | …0111011011001101 |
3 | 10202022222110122100 |
4 | 1112222213123031 |
5 | 10434211341414 |
6 | 400140305313 |
7 | 51013620234 |
oct | 12652473315 |
9 | 3668873570 |
10 | 1454012109 |
11 | 68682a900 |
12 | 346b42239 |
13 | 1a23100c4 |
14 | db171b1b |
15 | 879b3609 |
hex | 56aa76cd |
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".
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