Search a number
-
+
12301330293 = 327227894173
BaseRepresentation
bin10110111010011011…
…10110011101110101
31011202022010022210200
423131031312131311
5200143120032133
65352352111113
7613560403500
oct133515663565
934668108720
1012301330293
11524286457a
122473835499
131210709c85
14849a5a137
154bee43913
hex2dd376775

12301330293 has 18 divisors (see below), whose sum is σ = 20669582934. Its totient is φ = 7029331344.

The previous prime is 12301330291. The next prime is 12301330309. The reversal of 12301330293 is 39203310321.

12301330293 is a `hidden beast` number, since 1 + 2 + 301 + 330 + 29 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7478444484 + 4822885809 = 86478^2 + 69447^2 .

It is not a de Polignac number, because 12301330293 - 21 = 12301330291 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12301330291) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 13946646 + ... + 13947527.

It is an arithmetic number, because the mean of its divisors is an integer number (1148310163).

Almost surely, 212301330293 is an apocalyptic number.

It is an amenable number.

12301330293 is a deficient number, since it is larger than the sum of its proper divisors (8368252641).

12301330293 is a wasteful number, since it uses less digits than its factorization.

12301330293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27894193 (or 27894183 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

The spelling of 12301330293 in words is "twelve billion, three hundred one million, three hundred thirty thousand, two hundred ninety-three".

Divisors: 1 3 7 9 21 49 63 147 441 27894173 83682519 195259211 251047557 585777633 1366814477 1757332899 4100443431 12301330293