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1317082819 = 13432356141
BaseRepresentation
bin100111010000001…
…0001011011000011
310101210022201222011
41032200101123003
510144133122234
6334405353351
744432006413
oct11640213303
93353281864
101317082819
116165058a8
12309108857
1317cb39660
14c6cca643
157a966b64
hex4e8116c3

1317082819 has 8 divisors (see below), whose sum is σ = 1451383472. Its totient is φ = 1187494560.

The previous prime is 1317082799. The next prime is 1317082841. The reversal of 1317082819 is 9182807131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1317082819 - 27 = 1317082691 is a prime.

It is a super-2 number, since 2×13170828192 = 3469414304209973522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1317086819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1177512 + ... + 1178629.

It is an arithmetic number, because the mean of its divisors is an integer number (181422934).

Almost surely, 21317082819 is an apocalyptic number.

1317082819 is a deficient number, since it is larger than the sum of its proper divisors (134300653).

1317082819 is a wasteful number, since it uses less digits than its factorization.

1317082819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2356197.

The product of its (nonzero) digits is 24192, while the sum is 40.

The square root of 1317082819 is about 36291.6356616783. The cubic root of 1317082819 is about 1096.1526248969.

The spelling of 1317082819 in words is "one billion, three hundred seventeen million, eighty-two thousand, eight hundred nineteen".

Divisors: 1 13 43 559 2356141 30629833 101314063 1317082819