Base | Representation |
---|---|
bin | 10100101100100010… |
… | …11110111100110010 |
3 | 1001200100111101002000 |
4 | 22112101132330302 |
5 | 140223420201320 |
6 | 5034313234430 |
7 | 542225536110 |
oct | 122621367462 |
9 | 31610441060 |
10 | 11111100210 |
11 | 4791a21051 |
12 | 21a1102a16 |
13 | 1080c56712 |
14 | 775950ab0 |
15 | 4506d7c90 |
hex | 29645ef32 |
11111100210 has 128 divisors (see below), whose sum is σ = 35854410240. Its totient is φ = 2390280192.
The previous prime is 11111100151. The next prime is 11111100233. The reversal of 11111100210 is 1200111111.
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 = 11111100192 and 11111100201.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 140779 + ... + 205038.
It is an arithmetic number, because the mean of its divisors is an integer number (280112580).
Almost surely, 211111100210 is an apocalyptic number.
11111100210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
11111100210 is an abundant number, since it is smaller than the sum of its proper divisors (24743310030).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11111100210 is a wasteful number, since it uses less digits than its factorization.
11111100210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 345857 (or 345851 counting only the distinct ones).
The product of its (nonzero) digits is 2, while the sum is 9.
Adding to 11111100210 its reverse (1200111111), we get a palindrome (12311211321).
The spelling of 11111100210 in words is "eleven billion, one hundred eleven million, one hundred thousand, two hundred ten".
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