Base | Representation |
---|---|
bin | 10000001010110011011… |
… | …000000110011110011100 |
3 | 10221012222020101011002210 |
4 | 100022303120012132130 |
5 | 121201023404031022 |
6 | 2210234244520420 |
7 | 143163236454264 |
oct | 20126330063634 |
9 | 3835866334083 |
10 | 1111111002012 |
11 | 399246215290 |
12 | 15b4109b0110 |
13 | 80a149c908b |
14 | 3bac6dd07a4 |
15 | 1dd81169a0c |
hex | 102b360679c |
1111111002012 has 48 divisors (see below), whose sum is σ = 2864083622400. Its totient is φ = 332438271360.
The previous prime is 1111111002011. The next prime is 1111111002017. The reversal of 1111111002012 is 2102001111111.
It is a super-3 number, since 3×11111110020123 (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1111111002011) 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, 53264937 + ... + 53285792.
It is an arithmetic number, because the mean of its divisors is an integer number (59668408800).
Almost surely, 21111111002012 is an apocalyptic number.
1111111002012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1111111002012 is an abundant number, since it is smaller than the sum of its proper divisors (1752972620388).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1111111002012 is a wasteful number, since it uses less digits than its factorization.
1111111002012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 106550826 (or 106550824 counting only the distinct ones).
The product of its (nonzero) digits is 4, while the sum is 12.
Adding to 1111111002012 its reverse (2102001111111), we get a palindrome (3213112113123).
The spelling of 1111111002012 in words is "one trillion, one hundred eleven billion, one hundred eleven million, two thousand, twelve".
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