Base | Representation |
---|---|
bin | 1001001001000100110100… |
… | …01001110111000100011101 |
3 | 2122011211102221122110102222 |
4 | 10210202122021313010131 |
5 | 10113332003001041110 |
6 | 110431112253355125 |
7 | 4143252621656321 |
oct | 444423211670435 |
9 | 78154387573388 |
10 | 20103033221405 |
11 | 6450715194292 |
12 | 2308129198aa5 |
13 | b2a92833a034 |
14 | 4d6dc6091981 |
15 | 24cdd5527c55 |
hex | 12489a27711d |
20103033221405 has 16 divisors (see below), whose sum is σ = 25850420616384. Its totient is φ = 14954035196160.
The previous prime is 20103033221377. The next prime is 20103033221413. The reversal of 20103033221405 is 50412233030102.
It is a happy number.
It is not a de Polignac number, because 20103033221405 - 216 = 20103033155869 is a prime.
It is a Duffinian number.
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, 1424729531 + ... + 1424743640.
It is an arithmetic number, because the mean of its divisors is an integer number (1615651288524).
Almost surely, 220103033221405 is an apocalyptic number.
It is an amenable number.
20103033221405 is a deficient number, since it is larger than the sum of its proper divisors (5747387394979).
20103033221405 is a wasteful number, since it uses less digits than its factorization.
20103033221405 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2849473276.
The product of its (nonzero) digits is 4320, while the sum is 26.
Adding to 20103033221405 its reverse (50412233030102), we get a palindrome (70515266251507).
The spelling of 20103033221405 in words is "twenty trillion, one hundred three billion, thirty-three million, two hundred twenty-one thousand, four hundred five".
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