Base | Representation |
---|---|
bin | 110000011101011101101111… |
… | …010101011010000011000101 |
3 | 1000221122010102221012212110001 |
4 | 300131131233111122003011 |
5 | 210413414322140341401 |
6 | 2033143013222001301 |
7 | 62615131415653255 |
oct | 6035355725320305 |
9 | 1027563387185401 |
10 | 213131030012101 |
11 | 61a013a9144543 |
12 | 1baa227a876231 |
13 | 91c0229336626 |
14 | 3a8b84dc35965 |
15 | 1999061be8601 |
hex | c1d76f55a0c5 |
213131030012101 has 8 divisors (see below), whose sum is σ = 214345824073920. Its totient is φ = 211916503927488.
The previous prime is 213131030012029. The next prime is 213131030012107. The reversal of 213131030012101 is 101210030131312.
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 213131030012101 - 221 = 213131027914949 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213131030012107) 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, 65398996 + ... + 68580541.
It is an arithmetic number, because the mean of its divisors is an integer number (26793228009240).
Almost surely, 2213131030012101 is an apocalyptic number.
It is an amenable number.
213131030012101 is a deficient number, since it is larger than the sum of its proper divisors (1214794061819).
213131030012101 is a wasteful number, since it uses less digits than its factorization.
213131030012101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 133988603.
The product of its (nonzero) digits is 108, while the sum is 19.
Adding to 213131030012101 its reverse (101210030131312), we get a palindrome (314341060143413).
The spelling of 213131030012101 in words is "two hundred thirteen trillion, one hundred thirty-one billion, thirty million, twelve thousand, one hundred one".
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