Base | Representation |
---|---|
bin | 1001000101011010010… |
… | …11001001000100011011 |
3 | 1002211200210011120200222 |
4 | 10202231023021010123 |
5 | 20103232103240121 |
6 | 355221352150255 |
7 | 31360123634021 |
oct | 4425513110433 |
9 | 1084623146628 |
10 | 312143024411 |
11 | 110419666269 |
12 | 505b409838b |
13 | 235867bc25a |
14 | 11171b50711 |
15 | 81bd7820ab |
hex | 48ad2c911b |
312143024411 has 4 divisors (see below), whose sum is σ = 312173301672. Its totient is φ = 312112747152.
The previous prime is 312143024407. The next prime is 312143024521. The reversal of 312143024411 is 114420341213.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 114420341213 = 28219 ⋅4054727.
It is a cyclic number.
It is not a de Polignac number, because 312143024411 - 22 = 312143024407 is a prime.
It is a super-2 number, since 2×3121430244112 (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 (312143023411) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15123161 + ... + 15143786.
It is an arithmetic number, because the mean of its divisors is an integer number (78043325418).
Almost surely, 2312143024411 is an apocalyptic number.
312143024411 is a deficient number, since it is larger than the sum of its proper divisors (30277261).
312143024411 is a wasteful number, since it uses less digits than its factorization.
312143024411 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30277260.
The product of its (nonzero) digits is 2304, while the sum is 26.
Adding to 312143024411 its reverse (114420341213), we get a palindrome (426563365624).
The spelling of 312143024411 in words is "three hundred twelve billion, one hundred forty-three million, twenty-four thousand, four hundred eleven".
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