Search a number
-
+
10122019 = 10979227
BaseRepresentation
bin100110100111…
…001100100011
3201001020210121
4212213030203
510042401034
61000541111
7152015155
oct46471443
921036717
1010122019
115793906
123481797
13213527b
1414b6ad5
15d4e1b4
hex9a7323

10122019 has 4 divisors (see below), whose sum is σ = 10132344. Its totient is φ = 10111696.

The previous prime is 10122011. The next prime is 10122043. The reversal of 10122019 is 91022101.

10122019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 91022101 = 827110063.

It is a cyclic number.

It is not a de Polignac number, because 10122019 - 23 = 10122011 is a prime.

It is a super-2 number, since 2×101220192 = 204910537272722, 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 = 10121993 and 10122011.

It is not an unprimeable number, because it can be changed into a prime (10122011) 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, 3517 + ... + 5710.

It is an arithmetic number, because the mean of its divisors is an integer number (2533086).

Almost surely, 210122019 is an apocalyptic number.

10122019 is a deficient number, since it is larger than the sum of its proper divisors (10325).

10122019 is an equidigital number, since it uses as much as digits as its factorization.

10122019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10324.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 10122019 is about 3181.5120618976. The cubic root of 10122019 is about 216.3162021240.

The spelling of 10122019 in words is "ten million, one hundred twenty-two thousand, nineteen".

Divisors: 1 1097 9227 10122019