Base | Representation |
---|---|
bin | 11011111111110001111000… |
… | …010100010011101110011001 |
3 | 121010222010102020100200121122 |
4 | 123333301320110103232121 |
5 | 112114331012101000241 |
6 | 1113513112250215025 |
7 | 34635600452022524 |
oct | 3377617024235631 |
9 | 533863366320548 |
10 | 123130141031321 |
11 | 36262221685a26 |
12 | 11987543124475 |
13 | 539217910cc88 |
14 | 2259760063bbb |
15 | e37d6e2ba04b |
hex | 6ffc78513b99 |
123130141031321 has 4 divisors (see below), whose sum is σ = 124513625762100. Its totient is φ = 121746656300544.
The previous prime is 123130141031311. The next prime is 123130141031357.
123130141031321 is nontrivially palindromic in base 10.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 8247350112400 + 114882790918921 = 2871820^2 + 10718339^2 .
It is a cyclic number.
It is not a de Polignac number, because 123130141031321 - 222 = 123130136837017 is a prime.
It is a super-2 number, since 2×1231301410313212 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (123130141031311) 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, 691742365256 + ... + 691742365433.
It is an arithmetic number, because the mean of its divisors is an integer number (31128406440525).
Almost surely, 2123130141031321 is an apocalyptic number.
It is an amenable number.
123130141031321 is a deficient number, since it is larger than the sum of its proper divisors (1383484730779).
123130141031321 is an equidigital number, since it uses as much as digits as its factorization.
123130141031321 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1383484730778.
The product of its (nonzero) digits is 1296, while the sum is 26.
The spelling of 123130141031321 in words is "one hundred twenty-three trillion, one hundred thirty billion, one hundred forty-one million, thirty-one thousand, three hundred twenty-one".
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