Base | Representation |
---|---|
bin | 101111001011010101… |
… | …1111010100100110001 |
3 | 100200111122001020110212 |
4 | 1132112223322210301 |
5 | 3124441424423241 |
6 | 114313043033505 |
7 | 10214420462261 |
oct | 1362653724461 |
9 | 320448036425 |
10 | 101312342321 |
11 | 39a6a1a3333 |
12 | 1777536b895 |
13 | 9727679468 |
14 | 4c914757a1 |
15 | 297e566beb |
hex | 1796afa931 |
101312342321 has 4 divisors (see below), whose sum is σ = 101576865792. Its totient is φ = 101047818852.
The previous prime is 101312342303. The next prime is 101312342359. The reversal of 101312342321 is 123243213101.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 123243213101 = 29 ⋅4249765969.
It is a cyclic number.
It is not a de Polignac number, because 101312342321 - 214 = 101312325937 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (101312342221) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132261161 + ... + 132261926.
It is an arithmetic number, because the mean of its divisors is an integer number (25394216448).
Almost surely, 2101312342321 is an apocalyptic number.
It is an amenable number.
101312342321 is a deficient number, since it is larger than the sum of its proper divisors (264523471).
101312342321 is an equidigital number, since it uses as much as digits as its factorization.
101312342321 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 264523470.
The product of its (nonzero) digits is 864, while the sum is 23.
Adding to 101312342321 its reverse (123243213101), we get a palindrome (224555555422).
The spelling of 101312342321 in words is "one hundred one billion, three hundred twelve million, three hundred forty-two thousand, three hundred twenty-one".
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