Base | Representation |
---|---|
bin | 10110100111100111… |
… | …00001010110110100 |
3 | 1011100022000022121222 |
4 | 23103303201112310 |
5 | 144332204330030 |
6 | 5324551525512 |
7 | 606632323106 |
oct | 132363412664 |
9 | 34308008558 |
10 | 12143433140 |
11 | 5171719063 |
12 | 242a989898 |
13 | 11b6aa46c7 |
14 | 832ab7576 |
15 | 4b11543e5 |
hex | 2d3ce15b4 |
12143433140 has 48 divisors (see below), whose sum is σ = 27349902720. Its totient is φ = 4514889600.
The previous prime is 12143433101. The next prime is 12143433161. The reversal of 12143433140 is 4133434121.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 281336 + ... + 321615.
It is an arithmetic number, because the mean of its divisors is an integer number (569789640).
Almost surely, 212143433140 is an apocalyptic number.
12143433140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12143433140 is an abundant number, since it is smaller than the sum of its proper divisors (15206469580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12143433140 is a wasteful number, since it uses less digits than its factorization.
12143433140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 603032 (or 603030 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 26.
Adding to 12143433140 its reverse (4133434121), we get a palindrome (16276867261).
The spelling of 12143433140 in words is "twelve billion, one hundred forty-three million, four hundred thirty-three thousand, one hundred forty".
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