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12812043420048 = 2431734513454931
BaseRepresentation
bin1011101001110000100101…
…0011000000000110010000
31200100211010100000222020110
42322130021103000012100
53134403031103420143
643125434350441320
72461432244132235
oct272341123000620
950324110028213
1012812043420048
11409a614557304
12152b087503240
1371c22a7c41c2
1432416b62578c
1517340d6ad533
hexba7094c0190

12812043420048 has 80 divisors (see below), whose sum is σ = 35045799443136. Its totient is φ = 4019339304960.

The previous prime is 12812043419887. The next prime is 12812043420049. The reversal of 12812043420048 is 84002434021821.

It is a junction number, because it is equal to n+sod(n) for n = 12812043419988 and 12812043420015.

It is not an unprimeable number, because it can be changed into a prime (12812043420049) 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, 27935143 + ... + 28390073.

Almost surely, 212812043420048 is an apocalyptic number.

It is an amenable number.

12812043420048 is an abundant number, since it is smaller than the sum of its proper divisors (22233756023088).

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

12812043420048 is a wasteful number, since it uses less digits than its factorization.

12812043420048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489472 (or 489466 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 39.

Adding to 12812043420048 its reverse (84002434021821), we get a palindrome (96814477441869).

The spelling of 12812043420048 in words is "twelve trillion, eight hundred twelve billion, forty-three million, four hundred twenty thousand, forty-eight".

Divisors: 1 2 3 4 6 8 12 16 17 24 34 48 51 68 102 136 204 272 408 816 34513 69026 103539 138052 207078 276104 414156 454931 552208 586721 828312 909862 1173442 1364793 1656624 1760163 1819724 2346884 2729586 3520326 3639448 4693768 5459172 7040652 7278896 7733827 9387536 10918344 14081304 15467654 21836688 23201481 28162608 30935308 46402962 61870616 92805924 123741232 185611848 371223696 15701033603 31402067206 47103100809 62804134412 94206201618 125608268824 188412403236 251216537648 266917571251 376824806472 533835142502 753649612944 800752713753 1067670285004 1601505427506 2135340570008 3203010855012 4270681140016 6406021710024 12812043420048