Base | Representation |
---|---|
bin | 11000010010001110… |
… | …10110010100110001 |
3 | 1020122121222001020202 |
4 | 30021013112110301 |
5 | 203200140321111 |
6 | 5553421444545 |
7 | 641042445410 |
oct | 141107262461 |
9 | 36577861222 |
10 | 13037823281 |
11 | 559056966a |
12 | 263a410755 |
13 | 12ca185842 |
14 | 8b97b3477 |
15 | 514923b3b |
hex | 3091d6531 |
13037823281 has 8 divisors (see below), whose sum is σ = 14906710080. Its totient is φ = 11170521648.
The previous prime is 13037823251. The next prime is 13037823289. The reversal of 13037823281 is 18232873031.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-13037823281 is a prime.
It is a super-2 number, since 2×130378232812 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (13037823289) 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, 378611 + ... + 411608.
It is an arithmetic number, because the mean of its divisors is an integer number (1863338760).
Almost surely, 213037823281 is an apocalyptic number.
It is an amenable number.
13037823281 is a deficient number, since it is larger than the sum of its proper divisors (1868886799).
13037823281 is an equidigital number, since it uses as much as digits as its factorization.
13037823281 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 792583.
The product of its (nonzero) digits is 48384, while the sum is 38.
The spelling of 13037823281 in words is "thirteen billion, thirty-seven million, eight hundred twenty-three thousand, two hundred eighty-one".
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