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1896115065 = 35139723667
BaseRepresentation
bin111000100000100…
…0110101101111001
311220010212121212220
41301001012231321
512340401140230
6512052154253
764662466155
oct16101065571
94803777786
101896115065
11893342349
1244b008989
13242aa34a0
1413db76065
15b16e1d10
hex71046b79

1896115065 has 16 divisors (see below), whose sum is σ = 3267152448. Its totient is φ = 933471936.

The previous prime is 1896115021. The next prime is 1896115079. The reversal of 1896115065 is 5605116981.

It is not a de Polignac number, because 1896115065 - 29 = 1896114553 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4861639 + ... + 4862028.

It is an arithmetic number, because the mean of its divisors is an integer number (204197028).

Almost surely, 21896115065 is an apocalyptic number.

1896115065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1896115065 is a deficient number, since it is larger than the sum of its proper divisors (1371037383).

1896115065 is a wasteful number, since it uses less digits than its factorization.

1896115065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9723688.

The product of its (nonzero) digits is 64800, while the sum is 42.

The square root of 1896115065 is about 43544.4033717308. The cubic root of 1896115065 is about 1237.7175897361.

The spelling of 1896115065 in words is "one billion, eight hundred ninety-six million, one hundred fifteen thousand, sixty-five".

Divisors: 1 3 5 13 15 39 65 195 9723667 29171001 48618335 126407671 145855005 379223013 632038355 1896115065