Base | Representation |
---|---|
bin | 110010010000000111100110… |
… | …101010101100011110111001 |
3 | 1001222112100110001020102111212 |
4 | 302100013212222230132321 |
5 | 212432011441014232301 |
6 | 2102014332053532505 |
7 | 64360305611504324 |
oct | 6220074652543671 |
9 | 1058470401212455 |
10 | 221010002102201 |
11 | 644698a7516744 |
12 | 20955276644135 |
13 | 96421ccab3700 |
14 | 3c80d268377bb |
15 | 1a83e9d8124bb |
hex | c901e6aac7b9 |
221010002102201 has 48 divisors (see below), whose sum is σ = 256628013868800. Its totient is φ = 189560184413184.
The previous prime is 221010002102177. The next prime is 221010002102231. The reversal of 221010002102201 is 102201200010122.
221010002102201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a de Polignac number, because none of the positive numbers 2k-221010002102201 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (221010002102231) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2747849255 + ... + 2747929683.
It is an arithmetic number, because the mean of its divisors is an integer number (5346416955600).
Almost surely, 2221010002102201 is an apocalyptic number.
It is an amenable number.
221010002102201 is a deficient number, since it is larger than the sum of its proper divisors (35618011766599).
221010002102201 is a wasteful number, since it uses less digits than its factorization.
221010002102201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 92658 (or 92645 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 221010002102201 its reverse (102201200010122), we get a palindrome (323211202112323).
The spelling of 221010002102201 in words is "two hundred twenty-one trillion, ten billion, two million, one hundred two thousand, two hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •