Base | Representation |
---|---|
bin | 10111000110101100… |
… | …00011010000100111 |
3 | 1012000110120202112000 |
4 | 23203112003100213 |
5 | 200400430040033 |
6 | 5410503500343 |
7 | 616246322430 |
oct | 134326032047 |
9 | 35013522460 |
10 | 12404143143 |
11 | 52958a7377 |
12 | 24a21576b3 |
13 | 1228ac6b92 |
14 | 859580487 |
15 | 4c8ea1a13 |
hex | 2e3583427 |
12404143143 has 32 divisors (see below), whose sum is σ = 22237125120. Its totient is φ = 6671134080.
The previous prime is 12404143123. The next prime is 12404143151. The reversal of 12404143143 is 34134140421.
12404143143 is a `hidden beast` number, since 1 + 240 + 414 + 3 + 1 + 4 + 3 = 666.
It is not a de Polignac number, because 12404143143 - 26 = 12404143079 is a prime.
It is a super-2 number, since 2×124041431432 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12404143123) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1927093 + ... + 1933518.
It is an arithmetic number, because the mean of its divisors is an integer number (694910160).
Almost surely, 212404143143 is an apocalyptic number.
12404143143 is a deficient number, since it is larger than the sum of its proper divisors (9832981977).
12404143143 is a wasteful number, since it uses less digits than its factorization.
12404143143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3860644 (or 3860638 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 27.
Adding to 12404143143 its reverse (34134140421), we get a palindrome (46538283564).
The spelling of 12404143143 in words is "twelve billion, four hundred four million, one hundred forty-three thousand, one hundred forty-three".
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