Base | Representation |
---|---|
bin | 1100011010100111001… |
… | …1110001110000000011 |
3 | 202101120101221120012210 |
4 | 3012221303301300003 |
5 | 11443320343221011 |
6 | 241553440553203 |
7 | 21260554543305 |
oct | 3065163616003 |
9 | 671511846183 |
10 | 213302320131 |
11 | 825086651aa |
12 | 3540a622803 |
13 | 17164221a14 |
14 | a476a65975 |
15 | 58361e26a6 |
hex | 31a9cf1c03 |
213302320131 has 16 divisors (see below), whose sum is σ = 285084906624. Its totient is φ = 141860771904.
The previous prime is 213302320123. The next prime is 213302320141. The reversal of 213302320131 is 131023203312.
It is not a de Polignac number, because 213302320131 - 23 = 213302320123 is a prime.
It is a super-2 number, since 2×2133023201312 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 213302320098 and 213302320107.
It is not an unprimeable number, because it can be changed into a prime (213302320111) 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, 7997440 + ... + 8024066.
It is an arithmetic number, because the mean of its divisors is an integer number (17817806664).
Almost surely, 2213302320131 is an apocalyptic number.
213302320131 is a deficient number, since it is larger than the sum of its proper divisors (71782586493).
213302320131 is a wasteful number, since it uses less digits than its factorization.
213302320131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32930.
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 213302320131 its reverse (131023203312), we get a palindrome (344325523443).
The spelling of 213302320131 in words is "two hundred thirteen billion, three hundred two million, three hundred twenty thousand, one hundred thirty-one".
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