Base | Representation |
---|---|
bin | 10010101110000100… |
… | …010000110010010101 |
3 | 1220212211010002010102 |
4 | 102232010100302111 |
5 | 312131124101401 |
6 | 13122305303445 |
7 | 1311050032421 |
oct | 225604206225 |
9 | 56784102112 |
10 | 20100222101 |
11 | 8585062403 |
12 | 3a8b634b85 |
13 | 1b8439855b |
14 | d89733b81 |
15 | 7c996656b |
hex | 4ae110c95 |
20100222101 has 8 divisors (see below), whose sum is σ = 20293563744. Its totient is φ = 19906982320.
The previous prime is 20100222083. The next prime is 20100222167. The reversal of 20100222101 is 10122200102.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20100222101 - 214 = 20100205717 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20100222001) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 405986 + ... + 452796.
It is an arithmetic number, because the mean of its divisors is an integer number (2536695468).
Almost surely, 220100222101 is an apocalyptic number.
It is an amenable number.
20100222101 is a deficient number, since it is larger than the sum of its proper divisors (193341643).
20100222101 is a wasteful number, since it uses less digits than its factorization.
20100222101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50931.
The product of its (nonzero) digits is 16, while the sum is 11.
Adding to 20100222101 its reverse (10122200102), we get a palindrome (30222422203).
The spelling of 20100222101 in words is "twenty billion, one hundred million, two hundred twenty-two thousand, one hundred one".
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