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12003430404 = 2237173382457
BaseRepresentation
bin10110010110111010…
…11101000000000100
31010222112120102222110
423023131131000010
5144040334233104
65303031101020
7603312321630
oct131335350004
933875512873
1012003430404
1150aa694a19
1223abb11770
131193a96054
1481c271dc0
154a3bebe89
hex2cb75d004

12003430404 has 48 divisors (see below), whose sum is σ = 32028006528. Its totient is φ = 3427531008.

The previous prime is 12003430399. The next prime is 12003430433. The reversal of 12003430404 is 40403430021.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104344 + ... + 186800.

It is an arithmetic number, because the mean of its divisors is an integer number (667250136).

Almost surely, 212003430404 is an apocalyptic number.

12003430404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12003430404 is an abundant number, since it is smaller than the sum of its proper divisors (20024576124).

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

12003430404 is a wasteful number, since it uses less digits than its factorization.

12003430404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84204 (or 84202 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 12003430404 its reverse (40403430021), we get a palindrome (52406860425).

The spelling of 12003430404 in words is "twelve billion, three million, four hundred thirty thousand, four hundred four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 1733 3466 5199 6932 10398 12131 20796 24262 36393 48524 72786 82457 145572 164914 247371 329828 494742 577199 989484 1154398 1731597 2308796 3463194 6926388 142897981 285795962 428693943 571591924 857387886 1000285867 1714775772 2000571734 3000857601 4001143468 6001715202 12003430404