Base | Representation |
---|---|
bin | 100100101000011… |
… | …0010010000010100 |
3 | 10011122211121212111 |
4 | 1021100302100110 |
5 | 10004124340131 |
6 | 321544400404 |
7 | 42313330360 |
oct | 11120622024 |
9 | 3148747774 |
10 | 1229136916 |
11 | 5808a7837 |
12 | 2a3776104 |
13 | 167856667 |
14 | b93562a0 |
15 | 72d93ab1 |
hex | 49432414 |
1229136916 has 24 divisors (see below), whose sum is σ = 2491952960. Its totient is φ = 519556032.
The previous prime is 1229136901. The next prime is 1229136947. The reversal of 1229136916 is 6196319221.
It is a congruent number.
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, 298626 + ... + 302713.
Almost surely, 21229136916 is an apocalyptic number.
It is an amenable number.
1229136916 is an abundant number, since it is smaller than the sum of its proper divisors (1262816044).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1229136916 is a wasteful number, since it uses less digits than its factorization.
1229136916 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 601423 (or 601421 counting only the distinct ones).
The product of its digits is 34992, while the sum is 40.
The square root of 1229136916 is about 35059.0489888131. The cubic root of 1229136916 is about 1071.1906029707.
The spelling of 1229136916 in words is "one billion, two hundred twenty-nine million, one hundred thirty-six thousand, nine hundred sixteen".
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