Base | Representation |
---|---|
bin | 110111010010000001001001… |
… | …001011100101110001011101 |
3 | 1011212212001221001112222210202 |
4 | 313102001021023211301131 |
5 | 223331423222013421122 |
6 | 2221032415101313245 |
7 | 102132421205306126 |
oct | 6722011113456135 |
9 | 1155761831488722 |
10 | 243130736467037 |
11 | 7051819136a871 |
12 | 23328447865825 |
13 | a58818c9c7b73 |
14 | 440783a20d04d |
15 | 1d195c5d3ae92 |
hex | dd20492e5c5d |
243130736467037 has 2 divisors, whose sum is σ = 243130736467038. Its totient is φ = 243130736467036.
The previous prime is 243130736466901. The next prime is 243130736467039. The reversal of 243130736467037 is 730764637031342.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 197530347593401 + 45600388873636 = 14054549^2 + 6752806^2 .
It is a cyclic number.
It is not a de Polignac number, because 243130736467037 - 218 = 243130736204893 is a prime.
It is a super-2 number, since 2×2431307364670372 (a number of 30 digits) contains 22 as substring.
Together with 243130736467039, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (243130736467039) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121565368233518 + 121565368233519.
It is an arithmetic number, because the mean of its divisors is an integer number (121565368233519).
Almost surely, 2243130736467037 is an apocalyptic number.
It is an amenable number.
243130736467037 is a deficient number, since it is larger than the sum of its proper divisors (1).
243130736467037 is an equidigital number, since it uses as much as digits as its factorization.
243130736467037 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 32006016, while the sum is 56.
The spelling of 243130736467037 in words is "two hundred forty-three trillion, one hundred thirty billion, seven hundred thirty-six million, four hundred sixty-seven thousand, thirty-seven".
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