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1316968005 = 3587797867
BaseRepresentation
bin100111001111111…
…0101011001000101
310101210002220110210
41032133311121011
510144120434010
6334403110033
744431020603
oct11637653105
93353086423
101316968005
11616437611
12309072319
1317cac9312
14c6c9a873
157a942b20
hex4e7f5645

1316968005 has 8 divisors (see below), whose sum is σ = 2107148832. Its totient is φ = 702382928.

The previous prime is 1316967997. The next prime is 1316968007. The reversal of 1316968005 is 5008696131.

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 1316968005 - 23 = 1316967997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316968007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43898919 + ... + 43898948.

It is an arithmetic number, because the mean of its divisors is an integer number (263393604).

Almost surely, 21316968005 is an apocalyptic number.

1316968005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1316968005 is a deficient number, since it is larger than the sum of its proper divisors (790180827).

1316968005 is an equidigital number, since it uses as much as digits as its factorization.

1316968005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87797875.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 1316968005 is about 36290.0538026606. The cubic root of 1316968005 is about 1096.1207723506.

The spelling of 1316968005 in words is "one billion, three hundred sixteen million, nine hundred sixty-eight thousand, five".

Divisors: 1 3 5 15 87797867 263393601 438989335 1316968005