Base | Representation |
---|---|
bin | 10110100111011100… |
… | …11110011000001100 |
3 | 1011100012112002220221 |
4 | 23103232132120030 |
5 | 144331340011340 |
6 | 5324503321124 |
7 | 606615143152 |
oct | 132356363014 |
9 | 34305462827 |
10 | 12142110220 |
11 | 51709a5139 |
12 | 242a4501a4 |
13 | 11b6730506 |
14 | 8328513d2 |
15 | 4b0e9244a |
hex | 2d3b9e60c |
12142110220 has 12 divisors (see below), whose sum is σ = 25498431504. Its totient is φ = 4856844080.
The previous prime is 12142110203. The next prime is 12142110283. The reversal of 12142110220 is 2201124121.
It is a junction number, because it is equal to n+sod(n) for n = 12142110194 and 12142110203.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 303552736 + ... + 303552775.
It is an arithmetic number, because the mean of its divisors is an integer number (2124869292).
Almost surely, 212142110220 is an apocalyptic number.
12142110220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12142110220 is an abundant number, since it is smaller than the sum of its proper divisors (13356321284).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12142110220 is a wasteful number, since it uses less digits than its factorization.
12142110220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 607105520 (or 607105518 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 12142110220 its reverse (2201124121), we get a palindrome (14343234341).
The spelling of 12142110220 in words is "twelve billion, one hundred forty-two million, one hundred ten thousand, two hundred twenty".
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