Base | Representation |
---|---|
bin | 1100010111000100011… |
… | …1111110110010111100 |
3 | 202022010010110111121102 |
4 | 3011301013332302330 |
5 | 11434343414041012 |
6 | 241315225352232 |
7 | 21225156253055 |
oct | 3056107766274 |
9 | 668103414542 |
10 | 212351315132 |
11 | 8206a866060 |
12 | 351a4038678 |
13 | 170421aa678 |
14 | a3c662d72c |
15 | 57cc98d2c2 |
hex | 31711fecbc |
212351315132 has 24 divisors (see below), whose sum is σ = 406830490752. Its totient is φ = 96182247600.
The previous prime is 212351315081. The next prime is 212351315153. The reversal of 212351315132 is 231513153212.
It is a junction number, because it is equal to n+sod(n) for n = 212351315095 and 212351315104.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8514344 + ... + 8539247.
It is an arithmetic number, because the mean of its divisors is an integer number (16951270448).
Almost surely, 2212351315132 is an apocalyptic number.
212351315132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
212351315132 is a deficient number, since it is larger than the sum of its proper divisors (194479175620).
212351315132 is a wasteful number, since it uses less digits than its factorization.
212351315132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17053889 (or 17053887 counting only the distinct ones).
The product of its digits is 5400, while the sum is 29.
Adding to 212351315132 its reverse (231513153212), we get a palindrome (443864468344).
The spelling of 212351315132 in words is "two hundred twelve billion, three hundred fifty-one million, three hundred fifteen thousand, one hundred thirty-two".
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