Base | Representation |
---|---|
bin | 11111101011101101110… |
… | …00101111100110001101 |
3 | 10212001220220001112202120 |
4 | 33311312320233212031 |
5 | 120313444023444042 |
6 | 2152034500443153 |
7 | 141436023323133 |
oct | 17656670574615 |
9 | 3761826045676 |
10 | 1088621312397 |
11 | 38a755394643 |
12 | 156b950a94b9 |
13 | 7b86c591c28 |
14 | 3a9921bd753 |
15 | 1d4b6a5cdec |
hex | fd76e2f98d |
1088621312397 has 8 divisors (see below), whose sum is σ = 1451588953344. Its totient is φ = 725700606528.
The previous prime is 1088621312377. The next prime is 1088621312459. The reversal of 1088621312397 is 7932131268801.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1088621312397 - 231 = 1086473828749 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1088621312377) 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, 11679613 + ... + 11772450.
It is an arithmetic number, because the mean of its divisors is an integer number (181448619168).
Almost surely, 21088621312397 is an apocalyptic number.
It is an amenable number.
1088621312397 is a deficient number, since it is larger than the sum of its proper divisors (362967640947).
1088621312397 is a wasteful number, since it uses less digits than its factorization.
1088621312397 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23467539.
The product of its (nonzero) digits is 870912, while the sum is 51.
The spelling of 1088621312397 in words is "one trillion, eighty-eight billion, six hundred twenty-one million, three hundred twelve thousand, three hundred ninety-seven".
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