Base | Representation |
---|---|
bin | 101101110100… |
… | …111011101101 |
3 | 211121100010210 |
4 | 231310323231 |
5 | 11033411133 |
6 | 1105253033 |
7 | 204053115 |
oct | 55647355 |
9 | 24540123 |
10 | 12013293 |
11 | 6865846 |
12 | 4034179 |
13 | 2648076 |
14 | 184a045 |
15 | 10c4763 |
hex | b74eed |
12013293 has 16 divisors (see below), whose sum is σ = 16369920. Its totient is φ = 7834944.
The previous prime is 12013283. The next prime is 12013303. The reversal of 12013293 is 39231021.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (12013283) and next prime (12013303).
It is not a de Polignac number, because 12013293 - 26 = 12013229 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12013223) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40855 + ... + 41147.
It is an arithmetic number, because the mean of its divisors is an integer number (1023120).
Almost surely, 212013293 is an apocalyptic number.
It is an amenable number.
12013293 is a deficient number, since it is larger than the sum of its proper divisors (4356627).
12013293 is a wasteful number, since it uses less digits than its factorization.
12013293 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 548.
The product of its (nonzero) digits is 324, while the sum is 21.
The square root of 12013293 is about 3466.0197633597. The cubic root of 12013293 is about 229.0273544613.
The spelling of 12013293 in words is "twelve million, thirteen thousand, two hundred ninety-three".
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