Base | Representation |
---|---|
bin | 1001001011111111000011… |
… | …11001110001010110000010 |
3 | 2122112101112021200121112020 |
4 | 10211333201321301112002 |
5 | 10122001241412223020 |
6 | 110545050111142310 |
7 | 4153422461603151 |
oct | 445774171612602 |
9 | 78471467617466 |
10 | 20203021211010 |
11 | 648a064866840 |
12 | 2323592b14996 |
13 | b371a1502b21 |
14 | 4dbb8d6a7598 |
15 | 2507d868dc40 |
hex | 125fe1e71582 |
20203021211010 has 64 divisors (see below), whose sum is σ = 52908914448000. Its totient is φ = 4896430663680.
The previous prime is 20203021210993. The next prime is 20203021211027. The reversal of 20203021211010 is 1011212030202.
It is an interprime number because it is at equal distance from previous prime (20203021210993) and next prime (20203021211027).
It is a Harshad number since it is a multiple of its sum of digits (15).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6673135 + ... + 9216114.
It is an arithmetic number, because the mean of its divisors is an integer number (826701788250).
Almost surely, 220203021211010 is an apocalyptic number.
20203021211010 is an abundant number, since it is smaller than the sum of its proper divisors (32705893236990).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20203021211010 is a wasteful number, since it uses less digits than its factorization.
20203021211010 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15893123.
The product of its (nonzero) digits is 48, while the sum is 15.
Adding to 20203021211010 its reverse (1011212030202), we get a palindrome (21214233241212).
The spelling of 20203021211010 in words is "twenty trillion, two hundred three billion, twenty-one million, two hundred eleven thousand, ten".
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