Base | Representation |
---|---|
bin | 10110011100111000… |
… | …10000001000001101 |
3 | 1011010000200120002200 |
4 | 23032130100020031 |
5 | 144141140302211 |
6 | 5312015112113 |
7 | 604460416266 |
oct | 131634201015 |
9 | 34100616080 |
10 | 12053447181 |
11 | 51259472a6 |
12 | 2404812639 |
13 | 11a1258c89 |
14 | 824b7196d |
15 | 4a82cbb56 |
hex | 2ce71020d |
12053447181 has 12 divisors (see below), whose sum is σ = 17780972352. Its totient is φ = 7864660296.
The previous prime is 12053447111. The next prime is 12053447207. The reversal of 12053447181 is 18174435021.
12053447181 is a `hidden beast` number, since 1 + 2 + 0 + 534 + 47 + 1 + 81 = 666.
It is not a de Polignac number, because 12053447181 - 27 = 12053447053 is a prime.
It is a super-4 number, since 4×120534471814 (a number of 41 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12053447111) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14247151 + ... + 14247996.
It is an arithmetic number, because the mean of its divisors is an integer number (1481747696).
Almost surely, 212053447181 is an apocalyptic number.
It is an amenable number.
12053447181 is a deficient number, since it is larger than the sum of its proper divisors (5727525171).
12053447181 is a wasteful number, since it uses less digits than its factorization.
12053447181 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28495200 (or 28495197 counting only the distinct ones).
The product of its (nonzero) digits is 26880, while the sum is 36.
The spelling of 12053447181 in words is "twelve billion, fifty-three million, four hundred forty-seven thousand, one hundred eighty-one".
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