Base | Representation |
---|---|
bin | 101111101000110101… |
… | …1101010010001100110 |
3 | 100210001121111201201000 |
4 | 1133101223222101212 |
5 | 3134003321200202 |
6 | 114555201414130 |
7 | 10251066524400 |
oct | 1372153522146 |
9 | 323047451630 |
10 | 102302131302 |
11 | 3a427982458 |
12 | 179b093a346 |
13 | 985474ca07 |
14 | 4d46ac5b70 |
15 | 29db3cc91c |
hex | 17d1aea466 |
102302131302 has 48 divisors (see below), whose sum is σ = 264454495920. Its totient is φ = 29229179616.
The previous prime is 102302131249. The next prime is 102302131303. The reversal of 102302131302 is 203131203201.
102302131302 is a `hidden beast` number, since 1 + 0 + 230 + 2 + 131 + 302 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102302131303) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19328823 + ... + 19334114.
It is an arithmetic number, because the mean of its divisors is an integer number (5509468665).
Almost surely, 2102302131302 is an apocalyptic number.
102302131302 is an abundant number, since it is smaller than the sum of its proper divisors (162152364618).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102302131302 is a wasteful number, since it uses less digits than its factorization.
102302131302 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38662962 (or 38662949 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 102302131302 its reverse (203131203201), we get a palindrome (305433334503).
The spelling of 102302131302 in words is "one hundred two billion, three hundred two million, one hundred thirty-one thousand, three hundred two".
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