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42488474317 is a prime number
BaseRepresentation
bin100111100100100000…
…101010101011001101
311001200002120010111221
4213210200222223031
51144004022134232
631304031243341
73032622033652
oct474440525315
9131602503457
1042488474317
11170236aa693
128299379551
1340117a7883
1420b0c9bc29
15118a1d7897
hex9e482aacd

42488474317 has 2 divisors, whose sum is σ = 42488474318. Its totient is φ = 42488474316.

The previous prime is 42488474299. The next prime is 42488474321. The reversal of 42488474317 is 71347488424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38314539081 + 4173935236 = 195741^2 + 64606^2 .

It is a cyclic number.

It is not a de Polignac number, because 42488474317 - 215 = 42488441549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42488474117) 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, 21244237158 + 21244237159.

It is an arithmetic number, because the mean of its divisors is an integer number (21244237159).

Almost surely, 242488474317 is an apocalyptic number.

It is an amenable number.

42488474317 is a deficient number, since it is larger than the sum of its proper divisors (1).

42488474317 is an equidigital number, since it uses as much as digits as its factorization.

42488474317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4816896, while the sum is 52.

The spelling of 42488474317 in words is "forty-two billion, four hundred eighty-eight million, four hundred seventy-four thousand, three hundred seventeen".