Base | Representation |
---|---|
bin | 10010101111110110… |
… | …010000001101000100 |
3 | 1220221220100020120022 |
4 | 102233312100031010 |
5 | 312211301313012 |
6 | 13125253554312 |
7 | 1311562030145 |
oct | 225766201504 |
9 | 56856306508 |
10 | 20130104132 |
11 | 859aa121a6 |
12 | 3a99645998 |
13 | 1b8a62b928 |
14 | d8d6b1acc |
15 | 7cc3ba472 |
hex | 4afd90344 |
20130104132 has 6 divisors (see below), whose sum is σ = 35227682238. Its totient is φ = 10065052064.
The previous prime is 20130104129. The next prime is 20130104143. The reversal of 20130104132 is 23140103102.
It can be written as a sum of positive squares in only one way, i.e., 19944218176 + 185885956 = 141224^2 + 13634^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 20130104132.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2516263013 + ... + 2516263020.
It is an arithmetic number, because the mean of its divisors is an integer number (5871280373).
Almost surely, 220130104132 is an apocalyptic number.
It is an amenable number.
20130104132 is a deficient number, since it is larger than the sum of its proper divisors (15097578106).
20130104132 is a wasteful number, since it uses less digits than its factorization.
20130104132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5032526037 (or 5032526035 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 20130104132 its reverse (23140103102), we get a palindrome (43270207234).
The spelling of 20130104132 in words is "twenty billion, one hundred thirty million, one hundred four thousand, one hundred thirty-two".
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