Base | Representation |
---|---|
bin | 11000010011110101… |
… | …00010101110111100 |
3 | 1020200120012212021010 |
4 | 30021322202232330 |
5 | 203212104242302 |
6 | 5555021235220 |
7 | 641264511312 |
oct | 141172425674 |
9 | 36616185233 |
10 | 13051243452 |
11 | 55980a5415 |
12 | 2642a02b10 |
13 | 12ccba4080 |
14 | 8bb4a80b2 |
15 | 515bc516c |
hex | 309ea2bbc |
13051243452 has 48 divisors (see below), whose sum is σ = 32838380960. Its totient is φ = 4010508288.
The previous prime is 13051243411. The next prime is 13051243477. The reversal of 13051243452 is 25434215031.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65568 + ... + 174360.
Almost surely, 213051243452 is an apocalyptic number.
13051243452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
13051243452 is an abundant number, since it is smaller than the sum of its proper divisors (19787137508).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13051243452 is a wasteful number, since it uses less digits than its factorization.
13051243452 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 109582 (or 109580 counting only the distinct ones).
The product of its (nonzero) digits is 14400, while the sum is 30.
Adding to 13051243452 its reverse (25434215031), we get a palindrome (38485458483).
The spelling of 13051243452 in words is "thirteen billion, fifty-one million, two hundred forty-three thousand, four hundred fifty-two".
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