Base | Representation |
---|---|
bin | 10110101110100110… |
… | …00000110100000101 |
3 | 1011111101020211211102 |
4 | 23113103000310011 |
5 | 144442204120401 |
6 | 5334443345445 |
7 | 611243313425 |
oct | 132723006405 |
9 | 34441224742 |
10 | 12202020101 |
11 | 51a17a4337 |
12 | 2446522285 |
13 | 11c5c7844b |
14 | 83a7a8485 |
15 | 4b637856b |
hex | 2d74c0d05 |
12202020101 has 8 divisors (see below), whose sum is σ = 12391955520. Its totient is φ = 12012314688.
The previous prime is 12202020091. The next prime is 12202020107. The reversal of 12202020101 is 10102020221.
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 12202020101 - 210 = 12202019077 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12202020107) 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, 51005 + ... + 164333.
It is an arithmetic number, because the mean of its divisors is an integer number (1548994440).
Almost surely, 212202020101 is an apocalyptic number.
It is an amenable number.
12202020101 is a deficient number, since it is larger than the sum of its proper divisors (189935419).
12202020101 is a wasteful number, since it uses less digits than its factorization.
12202020101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 115003.
The product of its (nonzero) digits is 16, while the sum is 11.
Adding to 12202020101 its reverse (10102020221), we get a palindrome (22304040322).
The spelling of 12202020101 in words is "twelve billion, two hundred two million, twenty thousand, one hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •