Base | Representation |
---|---|
bin | 1110001110000110010101… |
… | …10010110001000000000001 |
3 | 11002201110022022202201200001 |
4 | 13013003022302301000001 |
5 | 13044320011120023132 |
6 | 150301331334400001 |
7 | 6405144455135611 |
oct | 707031262610001 |
9 | 132643268681601 |
10 | 31270764220417 |
11 | 9a669471a2337 |
12 | 3610597800001 |
13 | 145aa885a7917 |
14 | 7a1727bc0a41 |
15 | 393657230ce7 |
hex | 1c70cacb1001 |
31270764220417 has 8 divisors (see below), whose sum is σ = 32476773047400. Its totient is φ = 30083747658624.
The previous prime is 31270764220363. The next prime is 31270764220439. The reversal of 31270764220417 is 71402246707213.
It can be written as a sum of positive squares in 4 ways, for example, as 7074754145281 + 24196010075136 = 2659841^2 + 4918944^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-31270764220417 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31270764220477) 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 in 7 ways as a sum of consecutive naturals, for example, 4748062942 + ... + 4748069527.
It is an arithmetic number, because the mean of its divisors is an integer number (4059596630925).
Almost surely, 231270764220417 is an apocalyptic number.
31270764220417 is a gapful number since it is divisible by the number (37) formed by its first and last digit.
It is an amenable number.
31270764220417 is a deficient number, since it is larger than the sum of its proper divisors (1206008826983).
31270764220417 is an equidigital number, since it uses as much as digits as its factorization.
31270764220417 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9496132595.
The product of its (nonzero) digits is 790272, while the sum is 46.
The spelling of 31270764220417 in words is "thirty-one trillion, two hundred seventy billion, seven hundred sixty-four million, two hundred twenty thousand, four hundred seventeen".
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