Base | Representation |
---|---|
bin | 10110010110101001… |
… | …00100000101000101 |
3 | 1010222101012001101221 |
4 | 23023110210011011 |
5 | 144034240200401 |
6 | 5302505120341 |
7 | 603253445014 |
oct | 131324440505 |
9 | 33871161357 |
10 | 12001100101 |
11 | 50a9343151 |
12 | 23ab1890b1 |
13 | 119345b483 |
14 | 81bc26a7b |
15 | 4a38db7a1 |
hex | 2cb524145 |
12001100101 has 8 divisors (see below), whose sum is σ = 12041121560. Its totient is φ = 11961105408.
The previous prime is 12001100051. The next prime is 12001100107. The reversal of 12001100101 is 10100110021.
It can be written as a sum of positive squares in 4 ways, for example, as 396209025 + 11604891076 = 19905^2 + 107726^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12001100101 - 27 = 12001099973 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12001100107) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1306015 + ... + 1315171.
It is an arithmetic number, because the mean of its divisors is an integer number (1505140195).
Almost surely, 212001100101 is an apocalyptic number.
It is an amenable number.
12001100101 is a deficient number, since it is larger than the sum of its proper divisors (40021459).
12001100101 is an equidigital number, since it uses as much as digits as its factorization.
12001100101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13383.
The product of its (nonzero) digits is 2, while the sum is 7.
Adding to 12001100101 its reverse (10100110021), we get a palindrome (22101210122).
The spelling of 12001100101 in words is "twelve billion, one million, one hundred thousand, one hundred one".
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