Base | Representation |
---|---|
bin | 1100110111010111100… |
… | …0010001111111000110 |
3 | 210010111100001011000111 |
4 | 3031311320101333012 |
5 | 12110122340120402 |
6 | 245311411303234 |
7 | 21653051446621 |
oct | 3156570217706 |
9 | 703440034014 |
10 | 221021020102 |
11 | 85809670793 |
12 | 36a035aab1a |
13 | 17ac43b37cc |
14 | a9a9c26db8 |
15 | 5b38b749d7 |
hex | 3375e11fc6 |
221021020102 has 16 divisors (see below), whose sum is σ = 332279840880. Its totient is φ = 110261344608.
The previous prime is 221021020081. The next prime is 221021020117. The reversal of 221021020102 is 201020120122.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1583988 + ... + 1717864.
It is an arithmetic number, because the mean of its divisors is an integer number (20767490055).
Almost surely, 2221021020102 is an apocalyptic number.
221021020102 is a deficient number, since it is larger than the sum of its proper divisors (111258820778).
221021020102 is a wasteful number, since it uses less digits than its factorization.
221021020102 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 135735.
The product of its (nonzero) digits is 32, while the sum is 13.
Adding to 221021020102 its reverse (201020120122), we get a palindrome (422041140224).
The spelling of 221021020102 in words is "two hundred twenty-one billion, twenty-one million, twenty thousand, one hundred two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •