Base | Representation |
---|---|
bin | 10110011101000000… |
… | …10100101011111111 |
3 | 1011010002200210002110 |
4 | 23032200110223333 |
5 | 144141423430211 |
6 | 5312054025103 |
7 | 604502452641 |
oct | 131640245377 |
9 | 34102623073 |
10 | 12054514431 |
11 | 5126506123 |
12 | 2405048193 |
13 | 11a154099b |
14 | 824d6c891 |
15 | 4a843cea6 |
hex | 2ce814aff |
12054514431 has 16 divisors (see below), whose sum is σ = 16183664640. Its totient is φ = 7980994080.
The previous prime is 12054514397. The next prime is 12054514453. The reversal of 12054514431 is 13441545021.
It is not a de Polignac number, because 12054514431 - 210 = 12054513407 is a prime.
It is a super-2 number, since 2×120545144312 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12054510431) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334090 + ... + 368408.
It is an arithmetic number, because the mean of its divisors is an integer number (1011479040).
Almost surely, 212054514431 is an apocalyptic number.
12054514431 is a deficient number, since it is larger than the sum of its proper divisors (4129150209).
12054514431 is a wasteful number, since it uses less digits than its factorization.
12054514431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35126.
The product of its (nonzero) digits is 9600, while the sum is 30.
The spelling of 12054514431 in words is "twelve billion, fifty-four million, five hundred fourteen thousand, four hundred thirty-one".
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