Base | Representation |
---|---|
bin | 110000011101011110101001… |
… | …111011101101010100010111 |
3 | 1000221122012222110010111002021 |
4 | 300131132221323231110113 |
5 | 210413423330330143111 |
6 | 2033143254541354011 |
7 | 62615164654225231 |
oct | 6035365173552427 |
9 | 1027565873114067 |
10 | 213132013131031 |
11 | 61a01863088325 |
12 | 1baa24b3b68907 |
13 | 91c0354c12bc7 |
14 | 3a8b90462b251 |
15 | 19990bd192d71 |
hex | c1d7a9eed517 |
213132013131031 has 8 divisors (see below), whose sum is σ = 220490013960720. Its totient is φ = 205774587039168.
The previous prime is 213132013130999. The next prime is 213132013131043. The reversal of 213132013131031 is 130131310231312.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 213132013131031 - 25 = 213132013130999 is a prime.
It is a super-2 number, since 2×2131320131310312 (a number of 29 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 213132013130987 and 213132013131005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213132013131071) 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, 142929921 + ... + 144413386.
It is an arithmetic number, because the mean of its divisors is an integer number (27561251745090).
Almost surely, 2213132013131031 is an apocalyptic number.
213132013131031 is a deficient number, since it is larger than the sum of its proper divisors (7358000829689).
213132013131031 is a wasteful number, since it uses less digits than its factorization.
213132013131031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 287368913.
The product of its (nonzero) digits is 972, while the sum is 25.
Adding to 213132013131031 its reverse (130131310231312), we get a palindrome (343263323362343).
The spelling of 213132013131031 in words is "two hundred thirteen trillion, one hundred thirty-two billion, thirteen million, one hundred thirty-one thousand, thirty-one".
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