Base | Representation |
---|---|
bin | 100001001001010… |
… | …1111101001010001 |
3 | 2212111211010022000 |
4 | 1002102233221101 |
5 | 4234211210001 |
6 | 302210304213 |
7 | 36363425520 |
oct | 10222575121 |
9 | 2774733260 |
10 | 1112210001 |
11 | 5208a4921 |
12 | 270588069 |
13 | 149567436 |
14 | a79da4b7 |
15 | 67998a86 |
hex | 424afa51 |
1112210001 has 32 divisors (see below), whose sum is σ = 1948051200. Its totient is φ = 613630080.
The previous prime is 1112209963. The next prime is 1112210027. The reversal of 1112210001 is 1000122111.
It is a happy number.
It is not a de Polignac number, because 1112210001 - 29 = 1112209489 is a prime.
It is a super-2 number, since 2×11122100012 = 2474022172648840002, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is not an unprimeable number, because it can be changed into a prime (1112210041) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95980 + ... + 106941.
It is an arithmetic number, because the mean of its divisors is an integer number (60876600).
Almost surely, 21112210001 is an apocalyptic number.
It is an amenable number.
1112210001 is a deficient number, since it is larger than the sum of its proper divisors (835841199).
1112210001 is a wasteful number, since it uses less digits than its factorization.
1112210001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 202966 (or 202960 counting only the distinct ones).
The product of its (nonzero) digits is 4, while the sum is 9.
The square root of 1112210001 is about 33349.8126081692. The cubic root of 1112210001 is about 1036.0855067864.
Adding to 1112210001 its reverse (1000122111), we get a palindrome (2112332112).
The spelling of 1112210001 in words is "one billion, one hundred twelve million, two hundred ten thousand, one".
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