Base | Representation |
---|---|
bin | 110011101111000110… |
… | …0011111110001010010 |
3 | 101121202220000101110200 |
4 | 1213132030133301102 |
5 | 3310014103001320 |
6 | 123012313240030 |
7 | 11012132264025 |
oct | 1473614376122 |
9 | 347686011420 |
10 | 111102000210 |
11 | 43133201193 |
12 | 19647a03016 |
13 | a6278cb136 |
14 | 553d6c31bc |
15 | 2d53c26290 |
hex | 19de31fc52 |
111102000210 has 48 divisors (see below), whose sum is σ = 288884897496. Its totient is φ = 29625179904.
The previous prime is 111102000193. The next prime is 111102000211. The reversal of 111102000210 is 12000201111.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 85147823601 + 25954176609 = 291801^2 + 161103^2 .
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a junction number, because it is equal to n+sod(n) for n = 111102000192 and 111102000201.
It is not an unprimeable number, because it can be changed into a prime (111102000211) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1669902 + ... + 1735158.
Almost surely, 2111102000210 is an apocalyptic number.
111102000210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
111102000210 is an abundant number, since it is smaller than the sum of its proper divisors (177782897286).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
111102000210 is a wasteful number, since it uses less digits than its factorization.
111102000210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 84187 (or 84184 counting only the distinct ones).
The product of its (nonzero) digits is 4, while the sum is 9.
Adding to 111102000210 its reverse (12000201111), we get a palindrome (123102201321).
The spelling of 111102000210 in words is "one hundred eleven billion, one hundred two million, two hundred ten", and thus it is an aban number.
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