Base | Representation |
---|---|
bin | 10110010111000111… |
… | …00000111010100001 |
3 | 1010222122120011112100 |
4 | 23023203200322201 |
5 | 144041241104142 |
6 | 5303125121013 |
7 | 603331660155 |
oct | 131343407241 |
9 | 33878504470 |
10 | 12005019297 |
11 | 510057a757 |
12 | 23b0559169 |
13 | 119420131b |
14 | 81c567065 |
15 | 4a3e12b4c |
hex | 2cb8e0ea1 |
12005019297 has 48 divisors (see below), whose sum is σ = 18530516992. Its totient is φ = 7475690880.
The previous prime is 12005019293. The next prime is 12005019311. The reversal of 12005019297 is 79291050021.
12005019297 is a `hidden beast` number, since 120 + 0 + 501 + 9 + 29 + 7 = 666.
It is not a de Polignac number, because 12005019297 - 22 = 12005019293 is a prime.
It is a super-3 number, since 3×120050192973 (a number of 31 digits) contains 333 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12005019293) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1306443 + ... + 1315599.
Almost surely, 212005019297 is an apocalyptic number.
It is an amenable number.
12005019297 is a deficient number, since it is larger than the sum of its proper divisors (6525497695).
12005019297 is a wasteful number, since it uses less digits than its factorization.
12005019297 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9358 (or 9355 counting only the distinct ones).
The product of its (nonzero) digits is 11340, while the sum is 36.
The spelling of 12005019297 in words is "twelve billion, five million, nineteen thousand, two hundred ninety-seven".
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