Base | Representation |
---|---|
bin | 11011111111110001110001… |
… | …101100110011011011100100 |
3 | 121010222010010111110022220211 |
4 | 123333301301230303123210 |
5 | 112114330300140342012 |
6 | 1113513053242505204 |
7 | 34635564633254443 |
oct | 3377616154633344 |
9 | 533863114408824 |
10 | 123130030012132 |
11 | 36262174a48630 |
12 | 11987511b05204 |
13 | 539215c10ba50 |
14 | 225974d404d5a |
15 | e37d6468a6a7 |
hex | 6ffc71b336e4 |
123130030012132 has 48 divisors (see below), whose sum is σ = 254824933313664. Its totient is φ = 51320810880000.
The previous prime is 123130030012103. The next prime is 123130030012139. The reversal of 123130030012132 is 231210030031321.
It is a super-2 number, since 2×1231300300121322 (a number of 29 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is not an unprimeable number, because it can be changed into a prime (123130030012139) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 712702669 + ... + 712875412.
It is an arithmetic number, because the mean of its divisors is an integer number (5308852777368).
Almost surely, 2123130030012132 is an apocalyptic number.
It is an amenable number.
123130030012132 is an abundant number, since it is smaller than the sum of its proper divisors (131694903301532).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123130030012132 is a wasteful number, since it uses less digits than its factorization.
123130030012132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1425578260 (or 1425578258 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 22.
Adding to 123130030012132 its reverse (231210030031321), we get a palindrome (354340060043453).
The spelling of 123130030012132 in words is "one hundred twenty-three trillion, one hundred thirty billion, thirty million, twelve thousand, one hundred thirty-two".
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