Base | Representation |
---|---|
bin | 1001000100000100011… |
… | …01001010011101101001 |
3 | 1002202211112200120010121 |
4 | 10202002031022131221 |
5 | 20100243031242441 |
6 | 355022041043241 |
7 | 31333221315040 |
oct | 4420215123551 |
9 | 1082745616117 |
10 | 311422134121 |
11 | 11008974876a |
12 | 50432786521 |
13 | 234a0347457 |
14 | 111040d9557 |
15 | 817a334dd1 |
hex | 488234a769 |
311422134121 has 8 divisors (see below), whose sum is σ = 356078200320. Its totient is φ = 266807865408.
The previous prime is 311422134109. The next prime is 311422134151. The reversal of 311422134121 is 121431224113.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 311422134121 - 213 = 311422125929 is a prime.
It is a super-2 number, since 2×3114221341212 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (311422134151) 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, 10433401 + ... + 10463206.
It is an arithmetic number, because the mean of its divisors is an integer number (44509775040).
Almost surely, 2311422134121 is an apocalyptic number.
It is an amenable number.
311422134121 is a deficient number, since it is larger than the sum of its proper divisors (44656066199).
311422134121 is a wasteful number, since it uses less digits than its factorization.
311422134121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20898743.
The product of its digits is 1152, while the sum is 25.
Adding to 311422134121 its reverse (121431224113), we get a palindrome (432853358234).
The spelling of 311422134121 in words is "three hundred eleven billion, four hundred twenty-two million, one hundred thirty-four thousand, one hundred twenty-one".
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