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470238230731 is a prime number
BaseRepresentation
bin1101101011111000110…
…00011111100011001011
31122221202201012011222211
412311330120133203023
530201021441340411
61000005141125551
745654641003623
oct6657430374313
91587681164884
10470238230731
11171477249775
12771759b98b7
1335460237409
1418a8c6ad883
15c372db6221
hex6d7c61f8cb

470238230731 has 2 divisors, whose sum is σ = 470238230732. Its totient is φ = 470238230730.

The previous prime is 470238230713. The next prime is 470238230743. The reversal of 470238230731 is 137032832074.

Together with previous prime (470238230713) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 470238230731 - 219 = 470237706443 is a prime.

It is a super-2 number, since 2×4702382307312 (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (470238230711) 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, 235119115365 + 235119115366.

It is an arithmetic number, because the mean of its divisors is an integer number (235119115366).

Almost surely, 2470238230731 is an apocalyptic number.

470238230731 is a deficient number, since it is larger than the sum of its proper divisors (1).

470238230731 is an equidigital number, since it uses as much as digits as its factorization.

470238230731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 40.

The spelling of 470238230731 in words is "four hundred seventy billion, two hundred thirty-eight million, two hundred thirty thousand, seven hundred thirty-one".