Base | Representation |
---|---|
bin | 101111101001001001… |
… | …0000111001101111011 |
3 | 100210002022110211220010 |
4 | 1133102102013031323 |
5 | 3134013411230243 |
6 | 115000201433003 |
7 | 10251251306250 |
oct | 1372222071573 |
9 | 323068424803 |
10 | 102312211323 |
11 | 3a432637753 |
12 | 179b419b763 |
13 | 985686bb1a |
14 | 4d4818b427 |
15 | 29dc21e433 |
hex | 17d248737b |
102312211323 has 16 divisors (see below), whose sum is σ = 161280334080. Its totient is φ = 56448116256.
The previous prime is 102312211321. The next prime is 102312211361. The reversal of 102312211323 is 323112213201.
It is not a de Polignac number, because 102312211323 - 21 = 102312211321 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a self number, because there is not a number n which added to its sum of digits gives 102312211323.
It is not an unprimeable number, because it can be changed into a prime (102312211321) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83999565 + ... + 84000782.
It is an arithmetic number, because the mean of its divisors is an integer number (10080020880).
Almost surely, 2102312211323 is an apocalyptic number.
102312211323 is a deficient number, since it is larger than the sum of its proper divisors (58968122757).
102312211323 is a wasteful number, since it uses less digits than its factorization.
102312211323 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 168000386.
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 102312211323 its reverse (323112213201), we get a palindrome (425424424524).
The spelling of 102312211323 in words is "one hundred two billion, three hundred twelve million, two hundred eleven thousand, three hundred twenty-three".
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