Base | Representation |
---|---|
bin | 110000010001110100101011… |
… | …000101010101101001011111 |
3 | 1000211210122110221011220010020 |
4 | 300101310223011111221133 |
5 | 210312312412341011111 |
6 | 2031331305141043223 |
7 | 62503260432560256 |
oct | 6021645305255137 |
9 | 1024718427156106 |
10 | 212331021032031 |
11 | 61723097a06a00 |
12 | 1b9932113b6513 |
13 | 9162963564705 |
14 | 3a60c3a61379d |
15 | 198333cc30906 |
hex | c11d2b155a5f |
212331021032031 has 24 divisors (see below), whose sum is σ = 311209724907312. Its totient is φ = 128675183683200.
The previous prime is 212331021032027. The next prime is 212331021032077. The reversal of 212331021032031 is 130230120133212.
212331021032031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 212331021032031 - 22 = 212331021032027 is a prime.
It is a super-2 number, since 2×2123310210320312 (a number of 29 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 212331021031992 and 212331021032010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212331021032131) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18821910 + ... + 27909251.
It is an arithmetic number, because the mean of its divisors is an integer number (12967071871138).
Almost surely, 2212331021032031 is an apocalyptic number.
212331021032031 is a deficient number, since it is larger than the sum of its proper divisors (98878703875281).
212331021032031 is a wasteful number, since it uses less digits than its factorization.
212331021032031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46743703 (or 46743692 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 24.
Adding to 212331021032031 its reverse (130230120133212), we get a palindrome (342561141165243).
The spelling of 212331021032031 in words is "two hundred twelve trillion, three hundred thirty-one billion, twenty-one million, thirty-two thousand, thirty-one".
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