Base | Representation |
---|---|
bin | 11110000000011011010… |
… | …01010111110010101001 |
3 | 10122120020122002121000010 |
4 | 33000031221113302221 |
5 | 113343012400201301 |
6 | 2105351120202133 |
7 | 134326443516261 |
oct | 17001551276251 |
9 | 3576218077003 |
10 | 1031021100201 |
11 | 368287594694 |
12 | 14799aa69349 |
13 | 762c0077c31 |
14 | 37c8a3327a1 |
15 | 1bc44d3d5d6 |
hex | f00da57ca9 |
1031021100201 has 4 divisors (see below), whose sum is σ = 1374694800272. Its totient is φ = 687347400132.
The previous prime is 1031021100167. The next prime is 1031021100209. The reversal of 1031021100201 is 1020011201301.
1031021100201 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 1031021100201 - 219 = 1031020575913 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1031021100209) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171836850031 + ... + 171836850036.
It is an arithmetic number, because the mean of its divisors is an integer number (343673700068).
Almost surely, 21031021100201 is an apocalyptic number.
It is an amenable number.
1031021100201 is a deficient number, since it is larger than the sum of its proper divisors (343673700071).
1031021100201 is an equidigital number, since it uses as much as digits as its factorization.
1031021100201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 343673700070.
The product of its (nonzero) digits is 12, while the sum is 12.
Adding to 1031021100201 its reverse (1020011201301), we get a palindrome (2051032301502).
The spelling of 1031021100201 in words is "one trillion, thirty-one billion, twenty-one million, one hundred thousand, two hundred one".
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