Base | Representation |
---|---|
bin | 10110100010110010… |
… | …10100101010111000 |
3 | 1011020110221122212200 |
4 | 23101121110222320 |
5 | 144241332323000 |
6 | 5320545310200 |
7 | 605631616233 |
oct | 132131245270 |
9 | 34213848780 |
10 | 12103011000 |
11 | 515091a333 |
12 | 2419335360 |
13 | 11ab5c0992 |
14 | 82b59441a |
15 | 4ac81c500 |
hex | 2d1654ab8 |
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".
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