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12673220304 = 2433795991163
BaseRepresentation
bin10111100110110000…
…11111111011010000
31012201012220021222210
423303120133323100
5201423321022204
65453315032120
7626024411103
oct136330377320
935635807883
1012673220304
11541377aa98
12255829b640
13126c788934
148831c473a
154e2903389
hex2f361fed0

12673220304 has 80 divisors (see below), whose sum is σ = 32908608000. Its totient is φ = 4202610048.

The previous prime is 12673220297. The next prime is 12673220309. The reversal of 12673220304 is 40302237621.

It is a super-2 number, since 2×126732203042 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12673220309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10896427 + ... + 10897589.

It is an arithmetic number, because the mean of its divisors is an integer number (411357600).

Almost surely, 212673220304 is an apocalyptic number.

It is an amenable number.

12673220304 is an abundant number, since it is smaller than the sum of its proper divisors (20235387696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12673220304 is a wasteful number, since it uses less digits than its factorization.

12673220304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2152 (or 2146 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 30.

Adding to 12673220304 its reverse (40302237621), we get a palindrome (52975457925).

The spelling of 12673220304 in words is "twelve billion, six hundred seventy-three million, two hundred twenty thousand, three hundred four".

Divisors: 1 2 3 4 6 8 12 16 24 48 379 599 758 1137 1163 1198 1516 1797 2274 2326 2396 3032 3489 3594 4548 4652 4792 6064 6978 7188 9096 9304 9584 13956 14376 18192 18608 27912 28752 55824 227021 440777 454042 681063 696637 881554 908084 1322331 1362126 1393274 1763108 1816168 2089911 2644662 2724252 2786548 3526216 3632336 4179822 5289324 5448504 5573096 7052432 8359644 10578648 10897008 11146192 16719288 21157296 33438576 264025423 528050846 792076269 1056101692 1584152538 2112203384 3168305076 4224406768 6336610152 12673220304