Base | Representation |
---|---|
bin | 1001001100001110011111… |
… | …11101000001111010100100 |
3 | 2122120011220221112020012011 |
4 | 10212013033331001322210 |
5 | 10122120230330310040 |
6 | 110552540405004004 |
7 | 4154135050332013 |
oct | 446071775017244 |
9 | 78504827466164 |
10 | 20211310010020 |
11 | 6492628658158 |
12 | 23251069b3604 |
13 | b37bc282161c |
14 | 4dc33846aa7a |
15 | 250b211d43ea |
hex | 1261cff41ea4 |
20211310010020 has 24 divisors (see below), whose sum is σ = 42445026586368. Its totient is φ = 8084281039200.
The previous prime is 20211310009973. The next prime is 20211310010051. The reversal of 20211310010020 is 2001001311202.
It is a super-2 number, since 2×202113100100202 (a number of 27 digits) contains 22 as substring.
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 7 ways as a sum of consecutive naturals, for example, 14502426 + ... + 15834865.
It is an arithmetic number, because the mean of its divisors is an integer number (1768542774432).
Almost surely, 220211310010020 is an apocalyptic number.
20211310010020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20211310010020 is an abundant number, since it is smaller than the sum of its proper divisors (22233716576348).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20211310010020 is a wasteful number, since it uses less digits than its factorization.
20211310010020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30370611 (or 30370609 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 13.
Adding to 20211310010020 its reverse (2001001311202), we get a palindrome (22212311321222).
The spelling of 20211310010020 in words is "twenty trillion, two hundred eleven billion, three hundred ten million, ten thousand, twenty".
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