Base | Representation |
---|---|
bin | 1100000100010… |
… | …10010110111101 |
3 | 21001111000110202 |
4 | 12002022112331 |
5 | 201403330023 |
6 | 14013413245 |
7 | 2336304143 |
oct | 602122675 |
9 | 231430422 |
10 | 101230013 |
11 | 52161675 |
12 | 29a9a225 |
13 | 17c84621 |
14 | d631593 |
15 | 8d49128 |
hex | 608a5bd |
101230013 has 4 divisors (see below), whose sum is σ = 101250528. Its totient is φ = 101209500.
The previous prime is 101230001. The next prime is 101230021. The reversal of 101230013 is 310032101.
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: 310032101 = 19 ⋅16317479.
It is a cyclic number.
It is not a de Polignac number, because 101230013 - 210 = 101228989 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 101229976 and 101230003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (101230813) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2138 + ... + 14388.
It is an arithmetic number, because the mean of its divisors is an integer number (25312632).
Almost surely, 2101230013 is an apocalyptic number.
It is an amenable number.
101230013 is a deficient number, since it is larger than the sum of its proper divisors (20515).
101230013 is an equidigital number, since it uses as much as digits as its factorization.
101230013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20514.
The product of its (nonzero) digits is 18, while the sum is 11.
The square root of 101230013 is about 10061.3126877163. The cubic root of 101230013 is about 466.0542051064.
Adding to 101230013 its reverse (310032101), we get a palindrome (411262114).
The spelling of 101230013 in words is "one hundred one million, two hundred thirty thousand, thirteen".
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