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1380523017 = 31932384323
BaseRepresentation
bin101001001001001…
…0001110000001001
310120012200211120010
41102102101300021
510311403214032
6344553222133
746132152306
oct12222216011
93505624503
101380523017
116492a6415
12326401949
1319001c433
14d14c20ad
15812e8ccc
hex52491c09

1380523017 has 8 divisors (see below), whose sum is σ = 1850235424. Its totient is φ = 915579648.

The previous prime is 1380522971. The next prime is 1380523037. The reversal of 1380523017 is 7103250831.

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

It is not a de Polignac number, because 1380523017 - 26 = 1380522953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1380523037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1191583 + ... + 1192740.

It is an arithmetic number, because the mean of its divisors is an integer number (231279428).

Almost surely, 21380523017 is an apocalyptic number.

It is an amenable number.

1380523017 is a deficient number, since it is larger than the sum of its proper divisors (469712407).

1380523017 is a wasteful number, since it uses less digits than its factorization.

1380523017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2384519.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 1380523017 is about 37155.3901473259. The cubic root of 1380523017 is about 1113.4769144327.

Adding to 1380523017 its reverse (7103250831), we get a palindrome (8483773848).

The spelling of 1380523017 in words is "one billion, three hundred eighty million, five hundred twenty-three thousand, seventeen".

Divisors: 1 3 193 579 2384323 7152969 460174339 1380523017