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1918607314 = 213253107101
BaseRepresentation
bin111001001011011…
…1001111111010010
311221201012100110011
41302112321333102
512412130413224
6514214225134
765354615221
oct16226717722
94851170404
101918607314
118a5005088
124566551aa
1324764a100
14142b4ccb8
15b3686394
hex725b9fd2

1918607314 has 24 divisors (see below), whose sum is σ = 3175145892. Its totient is φ = 868795200.

The previous prime is 1918607297. The next prime is 1918607323. The reversal of 1918607314 is 4137068191.

It can be written as a sum of positive squares in 6 ways, for example, as 79655625 + 1838951689 = 8925^2 + 42883^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35637 + ... + 71464.

Almost surely, 21918607314 is an apocalyptic number.

1918607314 is a deficient number, since it is larger than the sum of its proper divisors (1256538578).

1918607314 is a wasteful number, since it uses less digits than its factorization.

1918607314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107182 (or 107169 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 1918607314 is about 43801.9099355268. The cubic root of 1918607314 is about 1242.5924158583.

The spelling of 1918607314 in words is "one billion, nine hundred eighteen million, six hundred seven thousand, three hundred fourteen".

Divisors: 1 2 13 26 53 106 169 338 689 1378 8957 17914 107101 214202 1392313 2784626 5676353 11352706 18100069 36200138 73792589 147585178 959303657 1918607314