Base | Representation |
---|---|
bin | 11011111111101001110000… |
… | …110001000111011110011001 |
3 | 121010221021220202112111212202 |
4 | 123333221300301013132121 |
5 | 112114210134123243001 |
6 | 1113505111311215545 |
7 | 34635141450111563 |
oct | 3377516061073631 |
9 | 533837822474782 |
10 | 123121424431001 |
11 | 36259559360107 |
12 | 1198590bb175b5 |
13 | 53913ba2978c9 |
14 | 2259174540333 |
15 | e37a0de1d96b |
hex | 6ffa70c47799 |
123121424431001 has 8 divisors (see below), whose sum is σ = 123600875465760. Its totient is φ = 122641976337408.
The previous prime is 123121424430929. The next prime is 123121424431037. The reversal of 123121424431001 is 100134424121321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 123121424431001 - 226 = 123121357322137 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (123121424431091) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124766990 + ... + 125749928.
It is an arithmetic number, because the mean of its divisors is an integer number (15450109433220).
Almost surely, 2123121424431001 is an apocalyptic number.
It is an amenable number.
123121424431001 is a deficient number, since it is larger than the sum of its proper divisors (479451034759).
123121424431001 is an equidigital number, since it uses as much as digits as its factorization.
123121424431001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1470583.
The product of its (nonzero) digits is 4608, while the sum is 29.
Adding to 123121424431001 its reverse (100134424121321), we get a palindrome (223255848552322).
The spelling of 123121424431001 in words is "one hundred twenty-three trillion, one hundred twenty-one billion, four hundred twenty-four million, four hundred thirty-one thousand, one".
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