| Base | Representation |
|---|---|
| bin | 1011101100110111001… |
| … | …0101001000001001110 |
| 3 | 201012212111122221112000 |
| 4 | 2323031302221001032 |
| 5 | 11243142400200420 |
| 6 | 232203043453130 |
| 7 | 20344330105155 |
| oct | 2731562510116 |
| 9 | 635774587460 |
| 10 | 201021100110 |
| 11 | 78286196896 |
| 12 | 32b616871a6 |
| 13 | 15c57a3641c |
| 14 | 9a2d96259c |
| 15 | 5367e22690 |
| hex | 2ecdca904e |
201021100110 has 128 divisors (see below), whose sum is σ = 545450803200. Its totient is φ = 52667210880.
The previous prime is 201021100097. The next prime is 201021100123. The reversal of 201021100110 is 11001120102.
It is a happy number.
201021100110 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (201021100097) and next prime (201021100123).
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a junction number, because it is equal to n+sod(n) for n = 201021100092 and 201021100101.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 50671347 + ... + 50675313.
It is an arithmetic number, because the mean of its divisors is an integer number (4261334400).
Almost surely, 2201021100110 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 201021100110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272725401600).
201021100110 is an abundant number, since it is smaller than the sum of its proper divisors (344429703090).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
201021100110 is a wasteful number, since it uses less digits than its factorization.
201021100110 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7223 (or 7217 counting only the distinct ones).
The product of its (nonzero) digits is 4, while the sum is 9.
Adding to 201021100110 its reverse (11001120102), we get a palindrome (212022220212).
The spelling of 201021100110 in words is "two hundred one billion, twenty-one million, one hundred thousand, one hundred ten".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.083 sec. • engine limits •