Base | Representation |
---|---|
bin | 10110100111100100… |
… | …10001000100101110 |
3 | 1011100021101121112210 |
4 | 23103302101010232 |
5 | 144332113314202 |
6 | 5324540511250 |
7 | 606626453310 |
oct | 132362210456 |
9 | 34307347483 |
10 | 12143104302 |
11 | 5171513a9a |
12 | 242a84b526 |
13 | 11b69bab24 |
14 | 832a2d7b0 |
15 | 4b10dbc6c |
hex | 2d3c9112e |
12143104302 has 32 divisors (see below), whose sum is σ = 28651014144. Its totient is φ = 3357540000.
The previous prime is 12143104283. The next prime is 12143104319. The reversal of 12143104302 is 20340134121.
It is a Harshad number since it is a multiple of its sum of digits (21).
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, 4661949 + ... + 4664552.
It is an arithmetic number, because the mean of its divisors is an integer number (895344192).
Almost surely, 212143104302 is an apocalyptic number.
12143104302 is an abundant number, since it is smaller than the sum of its proper divisors (16507909842).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12143104302 is a wasteful number, since it uses less digits than its factorization.
12143104302 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9326544.
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 12143104302 its reverse (20340134121), we get a palindrome (32483238423).
The spelling of 12143104302 in words is "twelve billion, one hundred forty-three million, one hundred four thousand, three hundred two".
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