Base | Representation |
---|---|
bin | 11110001011001101… |
… | …111011010111011011 |
3 | 10002122001011122202201 |
4 | 132023031323113123 |
5 | 1012324004031011 |
6 | 22515022111031 |
7 | 2224625216212 |
oct | 361315732733 |
9 | 102561148681 |
10 | 32400455131 |
11 | 12817237550 |
12 | 6342a1b477 |
13 | 30947acc55 |
14 | 17d5186079 |
15 | c9973ecc1 |
hex | 78b37b5db |
32400455131 has 8 divisors (see below), whose sum is σ = 35583174000. Its totient is φ = 29257273440.
The previous prime is 32400455099. The next prime is 32400455177. The reversal of 32400455131 is 13155400423.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 32400455131 - 25 = 32400455099 is a prime.
It is a super-2 number, since 2×324004551312 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 32400455131.
It is not an unprimeable number, because it can be changed into a prime (32400455531) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9882576 + ... + 9885853.
It is an arithmetic number, because the mean of its divisors is an integer number (4447896750).
Almost surely, 232400455131 is an apocalyptic number.
32400455131 is a deficient number, since it is larger than the sum of its proper divisors (3182718869).
32400455131 is a wasteful number, since it uses less digits than its factorization.
32400455131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19768589.
The product of its (nonzero) digits is 7200, while the sum is 28.
Adding to 32400455131 its reverse (13155400423), we get a palindrome (45555855554).
The spelling of 32400455131 in words is "thirty-two billion, four hundred million, four hundred fifty-five thousand, one hundred thirty-one".
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