Base | Representation |
---|---|
bin | 10110100010110010… |
… | …10010111111001100 |
3 | 1011020110221022102102 |
4 | 23101121102333030 |
5 | 144241332112413 |
6 | 5320545214232 |
7 | 605631560156 |
oct | 132131227714 |
9 | 34213838372 |
10 | 12103004108 |
11 | 5150915138 |
12 | 2419331378 |
13 | 11ab5ba7c0 |
14 | 82b591ad6 |
15 | 4ac81a458 |
hex | 2d1652fcc |
12103004108 has 24 divisors (see below), whose sum is σ = 22973618640. Its totient is φ = 5545811520.
The previous prime is 12103004107. The next prime is 12103004131. The reversal of 12103004108 is 80140030121.
It is a self number, because there is not a number n which added to its sum of digits gives 12103004108.
It is not an unprimeable number, because it can be changed into a prime (12103004107) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 830003 + ... + 844458.
It is an arithmetic number, because the mean of its divisors is an integer number (957234110).
Almost surely, 212103004108 is an apocalyptic number.
It is an amenable number.
12103004108 is a deficient number, since it is larger than the sum of its proper divisors (10870614532).
12103004108 is a wasteful number, since it uses less digits than its factorization.
12103004108 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1674617 (or 1674615 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 20.
Adding to 12103004108 its reverse (80140030121), we get a palindrome (92243034229).
The spelling of 12103004108 in words is "twelve billion, one hundred three million, four thousand, one hundred eight".
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