Base | Representation |
---|---|
bin | 1001001111000111010011… |
… | …00100110000000000100010 |
3 | 2122220200000100100020110010 |
4 | 10213203221210300000202 |
5 | 10130231423132210032 |
6 | 111110305335145350 |
7 | 4164246502231356 |
oct | 447435144600042 |
9 | 78820010306403 |
10 | 20310524100642 |
11 | 65207103a6976 |
12 | 2340395515256 |
13 | b44374572919 |
14 | 50306ad8d466 |
15 | 2534cb42bccc |
hex | 1278e9930022 |
20310524100642 has 8 divisors (see below), whose sum is σ = 40621048201296. Its totient is φ = 6770174700212.
The previous prime is 20310524100631. The next prime is 20310524100661. The reversal of 20310524100642 is 24600142501302.
It is a sphenic number, since it is the product of 3 distinct primes.
20310524100642 is an admirable number.
It is a super-3 number, since 3×203105241006423 (a number of 41 digits) contains 333 as substring.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 1692543675048 + ... + 1692543675059.
It is an arithmetic number, because the mean of its divisors is an integer number (5077631025162).
Almost surely, 220310524100642 is an apocalyptic number.
20310524100642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20310524100642 is a wasteful number, since it uses less digits than its factorization.
20310524100642 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3385087350112.
The product of its (nonzero) digits is 11520, while the sum is 30.
Adding to 20310524100642 its reverse (24600142501302), we get a palindrome (44910666601944).
The spelling of 20310524100642 in words is "twenty trillion, three hundred ten billion, five hundred twenty-four million, one hundred thousand, six hundred forty-two".
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