Base | Representation |
---|---|
bin | 1001011001010111001001… |
… | …11101101001110011001001 |
3 | 2201011022212111100112022001 |
4 | 10230223210331221303021 |
5 | 10202014033304423001 |
6 | 111540141045431001 |
7 | 4231553222426512 |
oct | 454534475516311 |
9 | 81138774315261 |
10 | 20662634061001 |
11 | 6646a79287709 |
12 | 239868240b461 |
13 | b6b62a3088aa |
14 | 516110b41a09 |
15 | 25c738814001 |
hex | 12cae4f69cc9 |
20662634061001 has 8 divisors (see below), whose sum is σ = 20675101487040. Its totient is φ = 20650167079248.
The previous prime is 20662634060923. The next prime is 20662634061049. The reversal of 20662634061001 is 10016043626602.
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 20662634061001 - 223 = 20662625672393 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20662634061061) 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, 175364830 + ... + 175482616.
It is an arithmetic number, because the mean of its divisors is an integer number (2584387685880).
Almost surely, 220662634061001 is an apocalyptic number.
It is an amenable number.
20662634061001 is a deficient number, since it is larger than the sum of its proper divisors (12467426039).
20662634061001 is a wasteful number, since it uses less digits than its factorization.
20662634061001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 222143.
The product of its (nonzero) digits is 62208, while the sum is 37.
Adding to 20662634061001 its reverse (10016043626602), we get a palindrome (30678677687603).
The spelling of 20662634061001 in words is "twenty trillion, six hundred sixty-two billion, six hundred thirty-four million, sixty-one thousand, one".
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