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105163033 = 211498403
BaseRepresentation
bin1100100010010…
…10100100011001
321022212211120011
412101022210121
5203410204113
614234001521
72414604523
oct621124431
9238784504
10105163033
11543a85a8
122b2762a1
1318a30861
14dd76a13
15937463d
hex644a919

105163033 has 4 divisors (see below), whose sum is σ = 105661648. Its totient is φ = 104664420.

The previous prime is 105163027. The next prime is 105163039. The reversal of 105163033 is 330361501.

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 an emirpimes, since its reverse is a distinct semiprime: 330361501 = 331998071.

It is an interprime number because it is at equal distance from previous prime (105163027) and next prime (105163039).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-105163033 is a prime.

It is a super-2 number, since 2×1051630332 = 22118527019518178, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105162995 and 105163013.

It is not an unprimeable number, because it can be changed into a prime (105163039) 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 3 ways as a sum of consecutive naturals, for example, 248991 + ... + 249412.

It is an arithmetic number, because the mean of its divisors is an integer number (26415412).

Almost surely, 2105163033 is an apocalyptic number.

It is an amenable number.

105163033 is a deficient number, since it is larger than the sum of its proper divisors (498615).

105163033 is an equidigital number, since it uses as much as digits as its factorization.

105163033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498614.

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 105163033 is about 10254.9028761856. The cubic root of 105163033 is about 472.0134431319.

The spelling of 105163033 in words is "one hundred five million, one hundred sixty-three thousand, thirty-three".

Divisors: 1 211 498403 105163033