Base | Representation |
---|---|
bin | 10001110000011010010… |
… | …011110001000001010010 |
3 | 11022122120200100020101021 |
4 | 101300122103301001102 |
5 | 124442443244214302 |
6 | 2332320244030054 |
7 | 154104664504543 |
oct | 21603223610122 |
9 | 4278520306337 |
10 | 1220212101202 |
11 | 430541a13966 |
12 | 17859a69232a |
13 | 8b0b0bc59c3 |
14 | 430b6a624ca |
15 | 21b193a1437 |
hex | 11c1a4f1052 |
1220212101202 has 8 divisors (see below), whose sum is σ = 1864852456716. Its totient is φ = 598594615632.
The previous prime is 1220212101161. The next prime is 1220212101253. The reversal of 1220212101202 is 2021012120221.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 1092842342881 + 127369758321 = 1045391^2 + 356889^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5755717353 + ... + 5755717564.
Almost surely, 21220212101202 is an apocalyptic number.
1220212101202 is a deficient number, since it is larger than the sum of its proper divisors (644640355514).
1220212101202 is a wasteful number, since it uses less digits than its factorization.
1220212101202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11511434972.
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 1220212101202 its reverse (2021012120221), we get a palindrome (3241224221423).
The spelling of 1220212101202 in words is "one trillion, two hundred twenty billion, two hundred twelve million, one hundred one thousand, two hundred two".
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