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12028949670912 = 21037507521603
BaseRepresentation
bin1010111100001011010101…
…0001011010110000000000
31120120221211011222202112020
42233002311101122300000
53034040242103432122
641330005002001440
72351030405112306
oct257026521326000
946527734882466
1012028949670912
1139184a354a069
12142335aaa6280
1369342c2a5685
142d82c0738276
1515cd79725c5c
hexaf0b545ac00

12028949670912 has 88 divisors (see below), whose sum is σ = 32065868788416. Its totient is φ = 4009108082688.

The previous prime is 12028949670887. The next prime is 12028949670949. The reversal of 12028949670912 is 21907694982021.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22800703 + ... + 23322305.

Almost surely, 212028949670912 is an apocalyptic number.

12028949670912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12028949670912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16032934394208).

12028949670912 is an abundant number, since it is smaller than the sum of its proper divisors (20036919117504).

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

12028949670912 is an equidigital number, since it uses as much as digits as its factorization.

12028949670912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529133 (or 529115 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 60.

The spelling of 12028949670912 in words is "twelve trillion, twenty-eight billion, nine hundred forty-nine million, six hundred seventy thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 512 768 1024 1536 3072 7507 15014 22521 30028 45042 60056 90084 120112 180168 240224 360336 480448 521603 720672 960896 1043206 1441344 1564809 1921792 2086412 2882688 3129618 3843584 4172824 5765376 6259236 7687168 8345648 11530752 12518472 16691296 23061504 25036944 33382592 50073888 66765184 100147776 133530368 200295552 267060736 400591104 534121472 801182208 1602364416 3915673721 7831347442 11747021163 15662694884 23494042326 31325389768 46988084652 62650779536 93976169304 125301559072 187952338608 250603118144 375904677216 501206236288 751809354432 1002412472576 1503618708864 2004824945152 3007237417728 4009649890304 6014474835456 12028949670912