Base | Representation |
---|---|
bin | 111111100000111… |
… | …1011011011100011 |
3 | 12111112020210020220 |
4 | 1333001323123203 |
5 | 13331042241003 |
6 | 551251134123 |
7 | 103546001034 |
oct | 17701733343 |
9 | 5445223226 |
10 | 2131212003 |
11 | 9a4017138 |
12 | 4b58a4343 |
13 | 27c6c86bb |
14 | 163092a8b |
15 | c7180353 |
hex | 7f07b6e3 |
2131212003 has 8 divisors (see below), whose sum is σ = 2841853008. Its totient is φ = 1420689504.
The previous prime is 2131211989. The next prime is 2131212023. The reversal of 2131212003 is 3002121312.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2131212003 - 224 = 2114434787 is a prime.
It is a super-3 number, since 3×21312120033 (a number of 29 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (2131212023) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28801 + ... + 71357.
It is an arithmetic number, because the mean of its divisors is an integer number (355231626).
Almost surely, 22131212003 is an apocalyptic number.
2131212003 is a deficient number, since it is larger than the sum of its proper divisors (710641005).
2131212003 is a wasteful number, since it uses less digits than its factorization.
2131212003 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 59253.
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 2131212003 is about 46165.0517491316. The cubic root of 2131212003 is about 1286.8923458993.
Adding to 2131212003 its reverse (3002121312), we get a palindrome (5133333315).
The spelling of 2131212003 in words is "two billion, one hundred thirty-one million, two hundred twelve thousand, three".
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