Base | Representation |
---|---|
bin | 1100000100010011001… |
… | …1001011011001110101 |
3 | 201211002222102011212011 |
4 | 3001010303023121311 |
5 | 11344034022300244 |
6 | 235123234324221 |
7 | 20656254564121 |
oct | 3010463133165 |
9 | 654088364764 |
10 | 207312696949 |
11 | 7aa146816a6 |
12 | 34218729671 |
13 | 1671b34a1a7 |
14 | a069398581 |
15 | 55d5459434 |
hex | 3044ccb675 |
207312696949 has 2 divisors, whose sum is σ = 207312696950. Its totient is φ = 207312696948.
The previous prime is 207312696911. The next prime is 207312696953. The reversal of 207312696949 is 949696213702.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 177984421924 + 29328275025 = 421882^2 + 171255^2 .
It is a cyclic number.
It is not a de Polignac number, because 207312696949 - 225 = 207279142517 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 207312696893 and 207312696902.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (207312696979) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103656348474 + 103656348475.
It is an arithmetic number, because the mean of its divisors is an integer number (103656348475).
Almost surely, 2207312696949 is an apocalyptic number.
It is an amenable number.
207312696949 is a deficient number, since it is larger than the sum of its proper divisors (1).
207312696949 is an equidigital number, since it uses as much as digits as its factorization.
207312696949 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 8817984, while the sum is 58.
The spelling of 207312696949 in words is "two hundred seven billion, three hundred twelve million, six hundred ninety-six thousand, nine hundred forty-nine".
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