Base | Representation |
---|---|
bin | 10000001011110101100… |
… | …111000011111011100001 |
3 | 10221022211200022212121121 |
4 | 100023311213003323201 |
5 | 121210312342020001 |
6 | 2210540422052241 |
7 | 143232621612004 |
oct | 20136547037341 |
9 | 3838750285547 |
10 | 1112222220001 |
11 | 3997664a1862 |
12 | 15b680b7a081 |
13 | 80b60ca6b09 |
14 | 3bb9080d53b |
15 | 1dde89b96a1 |
hex | 102f59c3ee1 |
1112222220001 has 4 divisors (see below), whose sum is σ = 1170760231600. Its totient is φ = 1053684208404.
The previous prime is 1112222219971. The next prime is 1112222220023. The reversal of 1112222220001 is 1000222222111.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 1112222220001 - 225 = 1112188665569 is a prime.
It is a super-5 number, since 5×11122222200015 (a number of 61 digits) contains 55555 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1112222220401) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29269005771 + ... + 29269005808.
It is an arithmetic number, because the mean of its divisors is an integer number (292690057900).
Almost surely, 21112222220001 is an apocalyptic number.
It is an amenable number.
1112222220001 is a deficient number, since it is larger than the sum of its proper divisors (58538011599).
1112222220001 is an equidigital number, since it uses as much as digits as its factorization.
1112222220001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 58538011598.
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 1112222220001 its reverse (1000222222111), we get a palindrome (2112444442112).
The spelling of 1112222220001 in words is "one trillion, one hundred twelve billion, two hundred twenty-two million, two hundred twenty thousand, one".
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