Base | Representation |
---|---|
bin | 10110111001101001… |
… | …00000110100110010 |
3 | 1011201211121212100200 |
4 | 23130310200310302 |
5 | 200134420004200 |
6 | 5351553500030 |
7 | 613450060401 |
oct | 133464406462 |
9 | 34654555320 |
10 | 12294688050 |
11 | 523a038117 |
12 | 2471571616 |
13 | 120c222858 |
14 | 848c0b638 |
15 | 4be580800 |
hex | 2dcd20d32 |
12294688050 has 54 divisors (see below), whose sum is σ = 33038049213. Its totient is φ = 3277956240.
The previous prime is 12294688013. The next prime is 12294688051. The reversal of 12294688050 is 5088649221.
It can be written as a sum of positive squares in 2 ways, for example, as 12048794289 + 245893761 = 109767^2 + 15681^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=78405.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a junction number, because it is equal to n+sod(n) for n = 12294687987 and 12294688005.
It is not an unprimeable number, because it can be changed into a prime (12294688051) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2349537 + ... + 2354763.
Almost surely, 212294688050 is an apocalyptic number.
12294688050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12294688050 is an abundant number, since it is smaller than the sum of its proper divisors (20743361163).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12294688050 is an frugal number, since it uses more digits than its factorization.
12294688050 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10472 (or 5237 counting only the distinct ones).
The product of its (nonzero) digits is 276480, while the sum is 45.
The spelling of 12294688050 in words is "twelve billion, two hundred ninety-four million, six hundred eighty-eight thousand, fifty".
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