Base | Representation |
---|---|
bin | 10010101110101111… |
… | …000001000101110001 |
3 | 1220220121012111110211 |
4 | 102232233001011301 |
5 | 312142011230001 |
6 | 13123345424121 |
7 | 1311244222465 |
oct | 225657010561 |
9 | 56817174424 |
10 | 20111430001 |
11 | 8590418033 |
12 | 3a9333b041 |
13 | 1b867c0b50 |
14 | d8b0104a5 |
15 | 7ca92c351 |
hex | 4aebc1171 |
20111430001 has 8 divisors (see below), whose sum is σ = 21660335424. Its totient is φ = 18562792080.
The previous prime is 20111429951. The next prime is 20111430007. The reversal of 20111430001 is 10003411102.
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 20111430001 - 219 = 20110905713 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (13).
It is not an unprimeable number, because it can be changed into a prime (20111430007) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105810 + ... + 226756.
It is an arithmetic number, because the mean of its divisors is an integer number (2707541928).
Almost surely, 220111430001 is an apocalyptic number.
It is an amenable number.
20111430001 is a deficient number, since it is larger than the sum of its proper divisors (1548905423).
20111430001 is a wasteful number, since it uses less digits than its factorization.
20111430001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 133751.
The product of its (nonzero) digits is 24, while the sum is 13.
Adding to 20111430001 its reverse (10003411102), we get a palindrome (30114841103).
The spelling of 20111430001 in words is "twenty billion, one hundred eleven million, four hundred thirty thousand, one".
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