Base | Representation |
---|---|
bin | 10100011111111001… |
… | …111100011110100101 |
3 | 2002210220220221122101 |
4 | 110133321330132211 |
5 | 330034042320401 |
6 | 14040013132101 |
7 | 1406300635234 |
oct | 243771743645 |
9 | 62726827571 |
10 | 22010120101 |
11 | 9375159002 |
12 | 432318a031 |
13 | 20c9c86408 |
14 | 10cb256b1b |
15 | 88c47c101 |
hex | 51fe7c7a5 |
22010120101 has 4 divisors (see below), whose sum is σ = 22370941804. Its totient is φ = 21649298400.
The previous prime is 22010120071. The next prime is 22010120113. The reversal of 22010120101 is 10102101022.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 6578021025 + 15432099076 = 81105^2 + 124226^2 .
It is a cyclic number.
It is not a de Polignac number, because 22010120101 - 219 = 22009595813 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22010120141) 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, 180410760 + ... + 180410881.
It is an arithmetic number, because the mean of its divisors is an integer number (5592735451).
Almost surely, 222010120101 is an apocalyptic number.
It is an amenable number.
22010120101 is a deficient number, since it is larger than the sum of its proper divisors (360821703).
22010120101 is an equidigital number, since it uses as much as digits as its factorization.
22010120101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 360821702.
The product of its (nonzero) digits is 8, while the sum is 10.
Adding to 22010120101 its reverse (10102101022), we get a palindrome (32112221123).
The spelling of 22010120101 in words is "twenty-two billion, ten million, one hundred twenty thousand, one hundred one".
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