Base | Representation |
---|---|
bin | 10001110000010011101… |
… | …011111111001011001010 |
3 | 11022122021221022020001211 |
4 | 101300103223333023022 |
5 | 124442231324310442 |
6 | 2332301235003334 |
7 | 154102145320051 |
oct | 21602353771312 |
9 | 4278257266054 |
10 | 1220101010122 |
11 | 430495237555 |
12 | 17856943954a |
13 | 8b093b9ab37 |
14 | 430a5dc5398 |
15 | 21b0e75a617 |
hex | 11c13aff2ca |
1220101010122 has 16 divisors (see below), whose sum is σ = 1926502394400. Its totient is φ = 577934449200.
The previous prime is 1220101010119. The next prime is 1220101010123. The reversal of 1220101010122 is 2210101010221.
It is not an unprimeable number, because it can be changed into a prime (1220101010123) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3173629 + ... + 3537247.
It is an arithmetic number, because the mean of its divisors is an integer number (120406399650).
Almost surely, 21220101010122 is an apocalyptic number.
1220101010122 is a deficient number, since it is larger than the sum of its proper divisors (706401384278).
1220101010122 is a wasteful number, since it uses less digits than its factorization.
1220101010122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 451941.
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 1220101010122 its reverse (2210101010221), we get a palindrome (3430202020343).
Subtracting 1220101010122 from its reverse (2210101010221), we obtain a palindrome (990000000099).
The spelling of 1220101010122 in words is "one trillion, two hundred twenty billion, one hundred one million, ten thousand, one hundred twenty-two".
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