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12103011000 = 2332531344779
BaseRepresentation
bin10110100010110010…
…10100101010111000
31011020110221122212200
423101121110222320
5144241332323000
65320545310200
7605631616233
oct132131245270
934213848780
1012103011000
11515091a333
122419335360
1311ab5c0992
1482b59441a
154ac81c500
hex2d1654ab8

12103011000 has 96 divisors (see below), whose sum is σ = 40908207600. Its totient is φ = 3227467200.

The previous prime is 12103010989. The next prime is 12103011013. The reversal of 12103011000 is 11030121.

It is a super-2 number, since 2×121030110002 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 663390 + ... + 681389.

Almost surely, 212103011000 is an apocalyptic number.

12103011000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12103011000 is an abundant number, since it is smaller than the sum of its proper divisors (28805196600).

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

12103011000 is a wasteful number, since it uses less digits than its factorization.

12103011000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344806 (or 1344789 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 12103011000 its reverse (11030121), we get a palindrome (12114041121).

The spelling of 12103011000 in words is "twelve billion, one hundred three million, eleven thousand".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 25 30 36 40 45 50 60 72 75 90 100 120 125 150 180 200 225 250 300 360 375 450 500 600 750 900 1000 1125 1500 1800 2250 3000 4500 9000 1344779 2689558 4034337 5379116 6723895 8068674 10758232 12103011 13447790 16137348 20171685 24206022 26895580 32274696 33619475 40343370 48412044 53791160 60515055 67238950 80686740 96824088 100858425 121030110 134477900 161373480 168097375 201716850 242060220 268955800 302575275 336194750 403433700 484120440 504292125 605150550 672389500 806867400 1008584250 1210301100 1344779000 1512876375 2017168500 2420602200 3025752750 4034337000 6051505500 12103011000