Base | Representation |
---|---|
bin | 10001110010000110001… |
… | …000100011100110110010 |
3 | 11022211020202021222221220 |
4 | 101302012020203212302 |
5 | 130010144400231002 |
6 | 2333215545125510 |
7 | 154200551660421 |
oct | 21620610434662 |
9 | 4284222258856 |
10 | 1222021102002 |
11 | 431290065a48 |
12 | 178a04489896 |
13 | 8b30b91788c |
14 | 43208ddd2b8 |
15 | 21bc30d67bc |
hex | 11c862239b2 |
1222021102002 has 32 divisors (see below), whose sum is σ = 2445851757888. Its totient is φ = 407038879296.
The previous prime is 1222021101967. The next prime is 1222021102037. The reversal of 1222021102002 is 2002011202221.
It is an interprime number because it is at equal distance from previous prime (1222021101967) and next prime (1222021102037).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65963913 + ... + 65982435.
It is an arithmetic number, because the mean of its divisors is an integer number (76432867434).
Almost surely, 21222021102002 is an apocalyptic number.
1222021102002 is an abundant number, since it is smaller than the sum of its proper divisors (1223830655886).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1222021102002 is a wasteful number, since it uses less digits than its factorization.
1222021102002 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26074.
The product of its (nonzero) digits is 64, while the sum is 15.
Adding to 1222021102002 its reverse (2002011202221), we get a palindrome (3224032304223).
The spelling of 1222021102002 in words is "one trillion, two hundred twenty-two billion, twenty-one million, one hundred two thousand, two".
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