Base | Representation |
---|---|
bin | 100000010100011101111… |
… | …110100001001100110010 |
3 | 21212022210101020220021211 |
4 | 200110131332201030302 |
5 | 242342102230121320 |
6 | 4420151435510334 |
7 | 316314322116160 |
oct | 40243576411462 |
9 | 7768711226254 |
10 | 2221001020210 |
11 | 786a151a1335 |
12 | 2ba5408b83aa |
13 | 13159376480b |
14 | 796d5b8c230 |
15 | 3cb9000155a |
hex | 2051dfa1332 |
2221001020210 has 32 divisors (see below), whose sum is σ = 4633267329792. Its totient is φ = 750760906560.
The previous prime is 2221001020193. The next prime is 2221001020327. The reversal of 2221001020210 is 120201001222.
It is a happy 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 15 ways as a sum of consecutive naturals, for example, 223435777 + ... + 223445716.
It is an arithmetic number, because the mean of its divisors is an integer number (144789604056).
Almost surely, 22221001020210 is an apocalyptic number.
2221001020210 is an abundant number, since it is smaller than the sum of its proper divisors (2412266309582).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2221001020210 is a wasteful number, since it uses less digits than its factorization.
2221001020210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 446881578.
The product of its (nonzero) digits is 32, while the sum is 13.
Adding to 2221001020210 its reverse (120201001222), we get a palindrome (2341202021432).
The spelling of 2221001020210 in words is "two trillion, two hundred twenty-one billion, one million, twenty thousand, two hundred ten".
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