Base | Representation |
---|---|
bin | 10001110000010100010… |
… | …110101011010100110010 |
3 | 11022122022201100210002011 |
4 | 101300110112223110302 |
5 | 124442242210413020 |
6 | 2332302314513134 |
7 | 154102342406413 |
oct | 21602426532462 |
9 | 4278281323064 |
10 | 1220112201010 |
11 | 4304a059041a |
12 | 1785711357aa |
13 | 8b0962b8771 |
14 | 430a769980a |
15 | 21b1071b35a |
hex | 11c145ab532 |
1220112201010 has 32 divisors (see below), whose sum is σ = 2211295302000. Its totient is φ = 484691854080.
The previous prime is 1220112200971. The next prime is 1220112201019. The reversal of 1220112201010 is 101022110221.
It can be written as a sum of positive squares in 8 ways, for example, as 3408341161 + 1216703859849 = 58381^2 + 1103043^2 .
It is not an unprimeable number, because it can be changed into a prime (1220112201019) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9743476 + ... + 9867904.
Almost surely, 21220112201010 is an apocalyptic number.
1220112201010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1220112201010 is a deficient number, since it is larger than the sum of its proper divisors (991183100990).
1220112201010 is a wasteful number, since it uses less digits than its factorization.
1220112201010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 131166.
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 1220112201010 its reverse (101022110221), we get a palindrome (1321134311231).
The spelling of 1220112201010 in words is "one trillion, two hundred twenty billion, one hundred twelve million, two hundred one thousand, ten".
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