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2075116891 = 14913926959
BaseRepresentation
bin111101110101111…
…1100010101011011
312100121200212020011
41323223330111123
513222212220031
6541524542351
7102265126321
oct17353742533
95317625204
102075116891
11975393041
1249ab519b7
13270bb7c23
1415984dd11
15c229e6b1
hex7bafc55b

2075116891 has 4 divisors (see below), whose sum is σ = 2089044000. Its totient is φ = 2061189784.

The previous prime is 2075116871. The next prime is 2075116909. The reversal of 2075116891 is 1986115702.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2075116891 - 25 = 2075116859 is a prime.

It is a super-2 number, since 2×20751168912 = 8612220222627011762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2075116861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6963331 + ... + 6963628.

It is an arithmetic number, because the mean of its divisors is an integer number (522261000).

Almost surely, 22075116891 is an apocalyptic number.

2075116891 is a deficient number, since it is larger than the sum of its proper divisors (13927109).

2075116891 is a wasteful number, since it uses less digits than its factorization.

2075116891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13927108.

The product of its (nonzero) digits is 30240, while the sum is 40.

The square root of 2075116891 is about 45553.4509230640. The cubic root of 2075116891 is about 1275.5011519083.

The spelling of 2075116891 in words is "two billion, seventy-five million, one hundred sixteen thousand, eight hundred ninety-one".

Divisors: 1 149 13926959 2075116891