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2868459193 = 5140755799
BaseRepresentation
bin1010101011111001…
…0011011010111001
321101220111211021101
42222332103122321
521333311143233
61152345011401
7131040333535
oct25276233271
97356454241
102868459193
111242196936
12680783b61
13369379642
141d2d64bc5
1511bc5dc7d
hexaaf936b9

2868459193 has 4 divisors (see below), whose sum is σ = 2868566400. Its totient is φ = 2868351988.

The previous prime is 2868459169. The next prime is 2868459229. The reversal of 2868459193 is 3919548682.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2868459193 is a prime.

It is a super-2 number, since 2×28684591932 = 16456116283812422498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2868459133) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 23508 + ... + 79306.

It is an arithmetic number, because the mean of its divisors is an integer number (717141600).

Almost surely, 22868459193 is an apocalyptic number.

It is an amenable number.

2868459193 is a deficient number, since it is larger than the sum of its proper divisors (107207).

2868459193 is an equidigital number, since it uses as much as digits as its factorization.

2868459193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107206.

The product of its digits is 3732480, while the sum is 55.

The square root of 2868459193 is about 53557.9984035998. The cubic root of 2868459193 is about 1420.8543415666.

The spelling of 2868459193 in words is "two billion, eight hundred sixty-eight million, four hundred fifty-nine thousand, one hundred ninety-three".

Divisors: 1 51407 55799 2868459193