Base | Representation |
---|---|
bin | 10110101111100101… |
… | …01001010001101111 |
3 | 1011111221212010121000 |
4 | 23113302221101233 |
5 | 200001314443203 |
6 | 5335341211343 |
7 | 611403641100 |
oct | 132762512157 |
9 | 34457763530 |
10 | 12210312303 |
11 | 51a64483a2 |
12 | 2449260b53 |
13 | 11c78bc887 |
14 | 83b9263a7 |
15 | 4b6e654a3 |
hex | 2d7ca946f |
12210312303 has 48 divisors (see below), whose sum is σ = 21439870560. Its totient is φ = 6845634432.
The previous prime is 12210312299. The next prime is 12210312307. The reversal of 12210312303 is 30321301221.
It is an interprime number because it is at equal distance from previous prime (12210312299) and next prime (12210312307).
It is not a de Polignac number, because 12210312303 - 22 = 12210312299 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12210312307) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16950 + ... + 157187.
It is an arithmetic number, because the mean of its divisors is an integer number (446663970).
Almost surely, 212210312303 is an apocalyptic number.
12210312303 is a deficient number, since it is larger than the sum of its proper divisors (9229558257).
12210312303 is a wasteful number, since it uses less digits than its factorization.
12210312303 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 174213 (or 174200 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 12210312303 its reverse (30321301221), we get a palindrome (42531613524).
The spelling of 12210312303 in words is "twelve billion, two hundred ten million, three hundred twelve thousand, three hundred three".
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