Base | Representation |
---|---|
bin | 1001000101010111111… |
… | …11001110000110010111 |
3 | 1002211122101201102211021 |
4 | 10202223333032012113 |
5 | 20103212004401241 |
6 | 355215401422011 |
7 | 31356462522505 |
oct | 4425377160627 |
9 | 1084571642737 |
10 | 312123122071 |
11 | 110409402352 |
12 | 505a949a907 |
13 | 23582641417 |
14 | 1116d24d675 |
15 | 81bbb500d1 |
hex | 48abfce197 |
312123122071 has 2 divisors, whose sum is σ = 312123122072. Its totient is φ = 312123122070.
The previous prime is 312123122053. The next prime is 312123122089. The reversal of 312123122071 is 170221321213.
It is a balanced prime because it is at equal distance from previous prime (312123122053) and next prime (312123122089).
It is a cyclic number.
It is not a de Polignac number, because 312123122071 - 27 = 312123121943 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (312123122471) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156061561035 + 156061561036.
It is an arithmetic number, because the mean of its divisors is an integer number (156061561036).
Almost surely, 2312123122071 is an apocalyptic number.
312123122071 is a deficient number, since it is larger than the sum of its proper divisors (1).
312123122071 is an equidigital number, since it uses as much as digits as its factorization.
312123122071 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1008, while the sum is 25.
Adding to 312123122071 its reverse (170221321213), we get a palindrome (482344443284).
The spelling of 312123122071 in words is "three hundred twelve billion, one hundred twenty-three million, one hundred twenty-two thousand, seventy-one".
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