Base | Representation |
---|---|
bin | 10111001001100011… |
… | …11111111001111100 |
3 | 1012002010221100022120 |
4 | 23210301333321330 |
5 | 200423112343102 |
6 | 5413124242540 |
7 | 616661232153 |
oct | 134461777174 |
9 | 35063840276 |
10 | 12428246652 |
11 | 52a846a728 |
12 | 24aa240450 |
13 | 1230ab6003 |
14 | 85c85659a |
15 | 4cb1636bc |
hex | 2e4c7fe7c |
12428246652 has 24 divisors (see below), whose sum is σ = 29003394000. Its totient is φ = 4142155776.
The previous prime is 12428246651. The next prime is 12428246653. The reversal of 12428246652 is 25664282421.
It is an interprime number because it is at equal distance from previous prime (12428246651) and next prime (12428246653).
It is a super-2 number, since 2×124282466522 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12428246651) 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, 17724 + ... + 158652.
It is an arithmetic number, because the mean of its divisors is an integer number (1208474750).
Almost surely, 212428246652 is an apocalyptic number.
12428246652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12428246652 is an abundant number, since it is smaller than the sum of its proper divisors (16575147348).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12428246652 is a wasteful number, since it uses less digits than its factorization.
12428246652 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 148285 (or 148283 counting only the distinct ones).
The product of its digits is 368640, while the sum is 42.
The spelling of 12428246652 in words is "twelve billion, four hundred twenty-eight million, two hundred forty-six thousand, six hundred fifty-two".
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