Base | Representation |
---|---|
bin | 10010111100101101000… |
… | …000010000000100010111 |
3 | 11121111000200120022221011 |
4 | 102330231000100010113 |
5 | 132313230303144343 |
6 | 2434105035433051 |
7 | 163034666331445 |
oct | 22745500200427 |
9 | 4544020508834 |
10 | 1302130131223 |
11 | 462259570319 |
12 | 1904408b5787 |
13 | 95a37504c0c |
14 | 47048439b95 |
15 | 23d10e4029d |
hex | 12f2d010117 |
1302130131223 has 4 divisors (see below), whose sum is σ = 1329835027680. Its totient is φ = 1274425234768.
The previous prime is 1302130131221. The next prime is 1302130131233. The reversal of 1302130131223 is 3221310312031.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 1302130131223 - 21 = 1302130131221 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1302130131194 and 1302130131203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1302130131221) 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, 13852448158 + ... + 13852448251.
It is an arithmetic number, because the mean of its divisors is an integer number (332458756920).
Almost surely, 21302130131223 is an apocalyptic number.
1302130131223 is a deficient number, since it is larger than the sum of its proper divisors (27704896457).
1302130131223 is an equidigital number, since it uses as much as digits as its factorization.
1302130131223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27704896456.
The product of its (nonzero) digits is 648, while the sum is 22.
Adding to 1302130131223 its reverse (3221310312031), we get a palindrome (4523440443254).
The spelling of 1302130131223 in words is "one trillion, three hundred two billion, one hundred thirty million, one hundred thirty-one thousand, two hundred twenty-three".
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