Base | Representation |
---|---|
bin | 10001100111000110110… |
… | …010110010010000100010 |
3 | 11021200210101100022120112 |
4 | 101213012302302100202 |
5 | 124312013034341002 |
6 | 2323545020211322 |
7 | 153302255604602 |
oct | 21470662622042 |
9 | 4250711308515 |
10 | 1210221012002 |
11 | 427285235752 |
12 | 176670699b42 |
13 | 8a17b0083c2 |
14 | 42809b7cc02 |
15 | 217321a3852 |
hex | 119c6cb2422 |
1210221012002 has 4 divisors (see below), whose sum is σ = 1815331518006. Its totient is φ = 605110506000.
The previous prime is 1210221011999. The next prime is 1210221012017. The reversal of 1210221012002 is 2002101220121.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 871218758881 + 339002253121 = 933391^2 + 582239^2 .
It is a super-2 number, since 2×12102210120022 (a number of 25 digits) contains 22 as substring.
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 as a sum of consecutive naturals, namely, 302555252999 + ... + 302555253002.
Almost surely, 21210221012002 is an apocalyptic number.
1210221012002 is a deficient number, since it is larger than the sum of its proper divisors (605110506004).
1210221012002 is an equidigital number, since it uses as much as digits as its factorization.
1210221012002 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 605110506003.
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 1210221012002 its reverse (2002101220121), we get a palindrome (3212322232123).
The spelling of 1210221012002 in words is "one trillion, two hundred ten billion, two hundred twenty-one million, twelve thousand, two".
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