Base | Representation |
---|---|
bin | 10001011111101000110… |
… | …100110000110101010000 |
3 | 11020221002112012101012012 |
4 | 101133220310300311100 |
5 | 124144102204134300 |
6 | 2320141201322052 |
7 | 152566454400635 |
oct | 21375064606520 |
9 | 4227075171165 |
10 | 1202202021200 |
11 | 42393a777224 |
12 | 174bb3036328 |
13 | 894a087632b |
14 | 42288b7018c |
15 | 214131a6435 |
hex | 117e8d30d50 |
1202202021200 has 30 divisors (see below), whose sum is σ = 2888290356894. Its totient is φ = 480880808320.
The previous prime is 1202202021193. The next prime is 1202202021283. The reversal of 1202202021200 is 21202022021.
It can be written as a sum of positive squares in 3 ways, for example, as 223084096 + 1201978937104 = 14936^2 + 1096348^2 .
It is a congruent 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 5 ways as a sum of consecutive naturals, for example, 1502752127 + ... + 1502752926.
Almost surely, 21202202021200 is an apocalyptic number.
1202202021200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1202202021200 is an abundant number, since it is smaller than the sum of its proper divisors (1686088335694).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1202202021200 is a wasteful number, since it uses less digits than its factorization.
1202202021200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3005505071 (or 3005505060 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 14.
Adding to 1202202021200 its reverse (21202022021), we get a palindrome (1223404043221).
The spelling of 1202202021200 in words is "one trillion, two hundred two billion, two hundred two million, twenty-one thousand, two hundred".
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