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12404224233 = 3217194399233
BaseRepresentation
bin10111000110101100…
…10111000011101001
31012000110201212202100
423203112113003221
5200400440133413
65410505324013
7616250111022
oct134326270351
935013655670
1012404224233
115295952295
1224a2196609
131228b24a6b
148595a1c49
154c8ebaa73
hex2e35970e9

12404224233 has 48 divisors (see below), whose sum is σ = 20434265280. Its totient is φ = 7201861632.

The previous prime is 12404224229. The next prime is 12404224241. The reversal of 12404224233 is 33242240421.

12404224233 is a `hidden beast` number, since 1 + 2 + 4 + 0 + 422 + 4 + 233 = 666.

It is not a de Polignac number, because 12404224233 - 22 = 12404224229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12404224197 and 12404224206.

It is not an unprimeable number, because it can be changed into a prime (12404224213) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 75385 + ... + 174617.

It is an arithmetic number, because the mean of its divisors is an integer number (425713860).

Almost surely, 212404224233 is an apocalyptic number.

It is an amenable number.

12404224233 is a deficient number, since it is larger than the sum of its proper divisors (8030041047).

12404224233 is a wasteful number, since it uses less digits than its factorization.

12404224233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99318 (or 99315 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 12404224233 its reverse (33242240421), we get a palindrome (45646464654).

The spelling of 12404224233 in words is "twelve billion, four hundred four million, two hundred twenty-four thousand, two hundred thirty-three".

Divisors: 1 3 9 17 19 43 51 57 129 153 171 323 387 731 817 969 2193 2451 2907 6579 7353 13889 41667 99233 125001 297699 893097 1686961 1885427 4267019 5060883 5656281 12801057 15182649 16968843 32052259 38403171 72539323 81073361 96156777 217617969 243220083 288470331 652853907 729660249 1378247137 4134741411 12404224233