Base | Representation |
---|---|
bin | 11011111111010101111011… |
… | …100110010011101011100111 |
3 | 121010212020221210202220112010 |
4 | 123333111323212103223213 |
5 | 112113333032103412221 |
6 | 1113451230345525303 |
7 | 34633456003425531 |
oct | 3377257346235347 |
9 | 533766853686463 |
10 | 123100131310311 |
11 | 36250521a02401 |
12 | 11981768aa3833 |
13 | 538c3a5a232cc |
14 | 2258114608851 |
15 | e371b48c0c76 |
hex | 6ff57b993ae7 |
123100131310311 has 32 divisors (see below), whose sum is σ = 169301330731008. Its totient is φ = 79524603325440.
The previous prime is 123100131310249. The next prime is 123100131310313. The reversal of 123100131310311 is 113013131001321.
It is not a de Polignac number, because 123100131310311 - 214 = 123100131293927 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123100131310313) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 683655 + ... + 15705656.
It is an arithmetic number, because the mean of its divisors is an integer number (5290666585344).
Almost surely, 2123100131310311 is an apocalyptic number.
123100131310311 is a deficient number, since it is larger than the sum of its proper divisors (46201199420697).
123100131310311 is a wasteful number, since it uses less digits than its factorization.
123100131310311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16389951.
The product of its (nonzero) digits is 162, while the sum is 21.
Adding to 123100131310311 its reverse (113013131001321), we get a palindrome (236113262311632).
The spelling of 123100131310311 in words is "one hundred twenty-three trillion, one hundred billion, one hundred thirty-one million, three hundred ten thousand, three hundred eleven".
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