Base | Representation |
---|---|
bin | 1001001011111011101010… |
… | …11010010001000101101100 |
3 | 2122112012211102122222101211 |
4 | 10211331311122101011230 |
5 | 10121434024424404400 |
6 | 110544145330044204 |
7 | 4153326410303542 |
oct | 445756532210554 |
9 | 78465742588354 |
10 | 20201201013100 |
11 | 6489310367148 |
12 | 2323165419664 |
13 | b36c71390543 |
14 | 4dba59a53d92 |
15 | 25072d995dba |
hex | 125f7569116c |
20201201013100 has 72 divisors (see below), whose sum is σ = 43977479636160. Its totient is φ = 8054549690880.
The previous prime is 20201201013067. The next prime is 20201201013131. The reversal of 20201201013100 is 131010210202.
It is a super-2 number, since 2×202012010131002 (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 23 ways as a sum of consecutive naturals, for example, 43894986 + ... + 44352814.
It is an arithmetic number, because the mean of its divisors is an integer number (610798328280).
Almost surely, 220201201013100 is an apocalyptic number.
20201201013100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20201201013100 is an abundant number, since it is smaller than the sum of its proper divisors (23776278623060).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20201201013100 is a wasteful number, since it uses less digits than its factorization.
20201201013100 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 459259 (or 459252 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 13.
Adding to 20201201013100 its reverse (131010210202), we get a palindrome (20332211223302).
The spelling of 20201201013100 in words is "twenty trillion, two hundred one billion, two hundred one million, thirteen thousand, one hundred".
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