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12023402245 = 52404680449
BaseRepresentation
bin10110011001010011…
…01000111100000101
31011000221011010012021
423030221220330011
5144110442332440
65305023123141
7603644142601
oct131451507405
934027133167
1012023402245
11510a996078
1223b67434b1
131197c696ca
14820b90501
154a584484a
hex2cca68f05

12023402245 has 4 divisors (see below), whose sum is σ = 14428082700. Its totient is φ = 9618721792.

The previous prime is 12023402231. The next prime is 12023402263. The reversal of 12023402245 is 54220432021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3172167684 + 8851234561 = 56322^2 + 94081^2 .

It is a cyclic number.

It is not a de Polignac number, because 12023402245 - 25 = 12023402213 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1202340220 + ... + 1202340229.

It is an arithmetic number, because the mean of its divisors is an integer number (3607020675).

Almost surely, 212023402245 is an apocalyptic number.

It is an amenable number.

12023402245 is a deficient number, since it is larger than the sum of its proper divisors (2404680455).

12023402245 is an equidigital number, since it uses as much as digits as its factorization.

12023402245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2404680454.

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 12023402245 its reverse (54220432021), we get a palindrome (66243834266).

The spelling of 12023402245 in words is "twelve billion, twenty-three million, four hundred two thousand, two hundred forty-five".

Divisors: 1 5 2404680449 12023402245