Base | Representation |
---|---|
bin | 1001000101001101000… |
… | …00010011110101010011 |
3 | 1002211101222121220120001 |
4 | 10202212200103311103 |
5 | 20103014432224021 |
6 | 355202314030431 |
7 | 31354264604023 |
oct | 4424640236523 |
9 | 1084358556501 |
10 | 312031133011 |
11 | 110371492634 |
12 | 50582718417 |
13 | 23569574020 |
14 | 11160d45a83 |
15 | 81b3a2e091 |
hex | 48a6813d53 |
312031133011 has 8 divisors (see below), whose sum is σ = 343848261680. Its totient is φ = 281330394912.
The previous prime is 312031132981. The next prime is 312031133017. The reversal of 312031133011 is 110331130213.
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 312031133011 - 25 = 312031132979 is a prime.
It is a super-2 number, since 2×3120311330112 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 312031133011.
It is not an unprimeable number, because it can be changed into a prime (312031133017) 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 7 ways as a sum of consecutive naturals, for example, 279097056 + ... + 279098173.
It is an arithmetic number, because the mean of its divisors is an integer number (42981032710).
Almost surely, 2312031133011 is an apocalyptic number.
312031133011 is a deficient number, since it is larger than the sum of its proper divisors (31817128669).
312031133011 is a wasteful number, since it uses less digits than its factorization.
312031133011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 558195285.
The product of its (nonzero) digits is 162, while the sum is 19.
Adding to 312031133011 its reverse (110331130213), we get a palindrome (422362263224).
The spelling of 312031133011 in words is "three hundred twelve billion, thirty-one million, one hundred thirty-three thousand, eleven".
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