Base | Representation |
---|---|
bin | 1001000101100011100… |
… | …10000001110100100111 |
3 | 1002211220011121222012111 |
4 | 10202301302001310213 |
5 | 20103411400432312 |
6 | 355233153101451 |
7 | 31362052664425 |
oct | 4426162016447 |
9 | 1084804558174 |
10 | 312220327207 |
11 | 110459264a78 |
12 | 50615b57887 |
13 | 23599816a59 |
14 | 1117c114115 |
15 | 81c54518a7 |
hex | 48b1c81d27 |
312220327207 has 2 divisors, whose sum is σ = 312220327208. Its totient is φ = 312220327206.
The previous prime is 312220327201. The next prime is 312220327259. The reversal of 312220327207 is 702723022213.
It is a weak prime.
It is an emirp because it is prime and its reverse (702723022213) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-312220327207 is a prime.
It is a super-2 number, since 2×3122203272072 (a number of 24 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (312220327201) 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 as a sum of consecutive naturals, namely, 156110163603 + 156110163604.
It is an arithmetic number, because the mean of its divisors is an integer number (156110163604).
Almost surely, 2312220327207 is an apocalyptic number.
312220327207 is a deficient number, since it is larger than the sum of its proper divisors (1).
312220327207 is an equidigital number, since it uses as much as digits as its factorization.
312220327207 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 14112, while the sum is 31.
The spelling of 312220327207 in words is "three hundred twelve billion, two hundred twenty million, three hundred twenty-seven thousand, two hundred seven".
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