Base | Representation |
---|---|
bin | 100100001010000… |
… | …1011001001011100 |
3 | 10010112221101111112 |
4 | 1020110023021130 |
5 | 4441042414332 |
6 | 320220041152 |
7 | 42031303310 |
oct | 11024131134 |
9 | 3115841445 |
10 | 1213248092 |
11 | 572935281 |
12 | 29a3931b8 |
13 | 1644825a4 |
14 | b71bbb40 |
15 | 717a5db2 |
hex | 4850b25c |
1213248092 has 12 divisors (see below), whose sum is σ = 2426496240. Its totient is φ = 519963456.
The previous prime is 1213248073. The next prime is 1213248107. The reversal of 1213248092 is 2908423121.
1213248092 is an admirable number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21665117 + ... + 21665172.
It is an arithmetic number, because the mean of its divisors is an integer number (202208020).
Almost surely, 21213248092 is an apocalyptic number.
It is an amenable number.
1213248092 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1213248092 is a wasteful number, since it uses less digits than its factorization.
1213248092 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43330300 (or 43330298 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 32.
The square root of 1213248092 is about 34831.7110116629. The cubic root of 1213248092 is about 1066.5548763486.
The spelling of 1213248092 in words is "one billion, two hundred thirteen million, two hundred forty-eight thousand, ninety-two".
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