Base | Representation |
---|---|
bin | 110010010000010010110111… |
… | …111000001110011101110010 |
3 | 1001222120111200022101001001200 |
4 | 302100102313320032131302 |
5 | 212432211231104201002 |
6 | 2102024052453112030 |
7 | 64361214505230411 |
oct | 6220226770163562 |
9 | 1058514608331050 |
10 | 221022102022002 |
11 | 64473a46614566 |
12 | 20957692928616 |
13 | 96433aa861378 |
14 | 3c81753825478 |
15 | 1a8445ac1db1c |
hex | c904b7e0e772 |
221022102022002 has 24 divisors (see below), whose sum is σ = 478886012850960. Its totient is φ = 73673296806840.
The previous prime is 221022102021953. The next prime is 221022102022021. The reversal of 221022102022002 is 200220201220122.
221022102022002 is a `hidden beast` number, since 2 + 210 + 2 + 210 + 20 + 220 + 0 + 2 = 666.
221022102022002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59583024 + ... + 63183707.
It is an arithmetic number, because the mean of its divisors is an integer number (19953583868790).
Almost surely, 2221022102022002 is an apocalyptic number.
221022102022002 is an abundant number, since it is smaller than the sum of its proper divisors (257863910828958).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
221022102022002 is a wasteful number, since it uses less digits than its factorization.
221022102022002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 122866758 (or 122866755 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 18.
Adding to 221022102022002 its reverse (200220201220122), we get a palindrome (421242303242124).
The spelling of 221022102022002 in words is "two hundred twenty-one trillion, twenty-two billion, one hundred two million, twenty-two thousand, two".
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