Base | Representation |
---|---|
bin | 110000010001101101010100… |
… | …111011101100000110010111 |
3 | 1000211202220010012212001212201 |
4 | 300101231110323230012113 |
5 | 210312200234100223111 |
6 | 2031323522325425331 |
7 | 62502561113315503 |
oct | 6021552473540627 |
9 | 1024686105761781 |
10 | 212323133211031 |
11 | 6171a80a499277 |
12 | 1b99178b86b247 |
13 | 9161ca733a6cb |
14 | 3a606ccbcb303 |
15 | 198302a4e36c1 |
hex | c11b54eec197 |
212323133211031 has 16 divisors (see below), whose sum is σ = 223589669988960. Its totient is φ = 201065775482880.
The previous prime is 212323133210989. The next prime is 212323133211037. The reversal of 212323133211031 is 130112331323212.
212323133211031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 212323133211031 - 213 = 212323133202839 is a prime.
It is a super-2 number, since 2×2123231332110312 (a number of 29 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212323133211037) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 504075645 + ... + 504496681.
It is an arithmetic number, because the mean of its divisors is an integer number (13974354374310).
Almost surely, 2212323133211031 is an apocalyptic number.
212323133211031 is a deficient number, since it is larger than the sum of its proper divisors (11266536777929).
212323133211031 is a wasteful number, since it uses less digits than its factorization.
212323133211031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 431874.
The product of its (nonzero) digits is 3888, while the sum is 28.
Adding to 212323133211031 its reverse (130112331323212), we get a palindrome (342435464534243).
The spelling of 212323133211031 in words is "two hundred twelve trillion, three hundred twenty-three billion, one hundred thirty-three million, two hundred eleven thousand, thirty-one".
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