Search a number
-
+
12011023203 = 34393108707
BaseRepresentation
bin10110010111110100…
…11010101101100011
31011000001212012100020
423023322122231203
5144044310220303
65303501524523
7603434004234
oct131372325543
934001765306
1012011023203
115103a00563
1223b2573743
13119552402a
1481d28b08b
154a46eba53
hex2cbe9ab63

12011023203 has 8 divisors (see below), whose sum is σ = 16387132608. Its totient is φ = 7821131304.

The previous prime is 12011023169. The next prime is 12011023237. The reversal of 12011023203 is 30232011021.

It is an interprime number because it is at equal distance from previous prime (12011023169) and next prime (12011023237).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12011023203 - 212 = 12011019107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12011023273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46554225 + ... + 46554482.

It is an arithmetic number, because the mean of its divisors is an integer number (2048391576).

Almost surely, 212011023203 is an apocalyptic number.

12011023203 is a deficient number, since it is larger than the sum of its proper divisors (4376109405).

12011023203 is an equidigital number, since it uses as much as digits as its factorization.

12011023203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93108753.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12011023203 its reverse (30232011021), we get a palindrome (42243034224).

The spelling of 12011023203 in words is "twelve billion, eleven million, twenty-three thousand, two hundred three".

Divisors: 1 3 43 129 93108707 279326121 4003674401 12011023203