Search a number
-
+
12010229443 = 73164523691
BaseRepresentation
bin10110010111101110…
…11000111011000011
31011000000100212111201
423023313120323003
5144044104320233
65303432522031
7603424160122
oct131367307303
934000325451
1012010229443
115103509163
1223b2250317
131195306954
1481d121ab9
154a45e177d
hex2cbdd8ec3

12010229443 has 4 divisors (see below), whose sum is σ = 12174753208. Its totient is φ = 11845705680.

The previous prime is 12010229351. The next prime is 12010229453. The reversal of 12010229443 is 34492201021.

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 12010229443 - 217 = 12010098371 is a prime.

It is a super-2 number, since 2×120102294432 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12010229453) 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, 82261773 + ... + 82261918.

It is an arithmetic number, because the mean of its divisors is an integer number (3043688302).

Almost surely, 212010229443 is an apocalyptic number.

12010229443 is a deficient number, since it is larger than the sum of its proper divisors (164523765).

12010229443 is an equidigital number, since it uses as much as digits as its factorization.

12010229443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164523764.

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 12010229443 in words is "twelve billion, ten million, two hundred twenty-nine thousand, four hundred forty-three".

Divisors: 1 73 164523691 12010229443