Base | Representation |
---|---|
bin | 100011100000010111100110… |
… | …1111001011000011010011001 |
3 | 1111221210201212100111221011202 |
4 | 1013000233031321120122121 |
5 | 311413404434313100441 |
6 | 3024122052553003545 |
7 | 122532540352005224 |
oct | 10700571571303231 |
9 | 1457721770457152 |
10 | 312312001300121 |
11 | 9056a85985aa79 |
12 | 2b0401a93b35b5 |
13 | 10535b84121804 |
14 | 5719da53d25bb |
15 | 2618e4286919b |
hex | 11c0bcde58699 |
312312001300121 has 8 divisors (see below), whose sum is σ = 316166068747200. Its totient is φ = 308460107002032.
The previous prime is 312312001300063. The next prime is 312312001300139. The reversal of 312312001300121 is 121003100213213.
It is a happy number.
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 312312001300121 - 210 = 312312001299097 is a prime.
It is a super-2 number, since 2×3123120013001212 (a number of 30 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 312312001300093 and 312312001300102.
It is not an unprimeable number, because it can be changed into a prime (312312001300171) 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, 542998046 + ... + 543572903.
It is an arithmetic number, because the mean of its divisors is an integer number (39520758593400).
Almost surely, 2312312001300121 is an apocalyptic number.
It is an amenable number.
312312001300121 is a deficient number, since it is larger than the sum of its proper divisors (3854067447079).
312312001300121 is a wasteful number, since it uses less digits than its factorization.
312312001300121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1086574495.
The product of its (nonzero) digits is 216, while the sum is 20.
Adding to 312312001300121 its reverse (121003100213213), we get a palindrome (433315101513334).
The spelling of 312312001300121 in words is "three hundred twelve trillion, three hundred twelve billion, one million, three hundred thousand, one hundred twenty-one".
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