Base | Representation |
---|---|
bin | 101111101001011101… |
… | …1101001101001000111 |
3 | 100210010001222001200000 |
4 | 1133102323221221013 |
5 | 3134024203201411 |
6 | 115001231052343 |
7 | 10251443000322 |
oct | 1372273515107 |
9 | 323101861600 |
10 | 102323100231 |
11 | 3a4387a4750 |
12 | 179b79710b3 |
13 | 9858bb2171 |
14 | 4d497c37b9 |
15 | 29dd170956 |
hex | 17d2ee9a47 |
102323100231 has 48 divisors (see below), whose sum is σ = 167267842560. Its totient is φ = 61991853120.
The previous prime is 102323100223. The next prime is 102323100247. The reversal of 102323100231 is 132001323201.
102323100231 is a `hidden beast` number, since 10 + 2 + 323 + 100 + 231 = 666.
It is not a de Polignac number, because 102323100231 - 23 = 102323100223 is a prime.
It is a super-2 number, since 2×1023231002312 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102323100221) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10497346 + ... + 10507088.
It is an arithmetic number, because the mean of its divisors is an integer number (3484746720).
Almost surely, 2102323100231 is an apocalyptic number.
102323100231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
102323100231 is a deficient number, since it is larger than the sum of its proper divisors (64944742329).
102323100231 is an equidigital number, since it uses as much as digits as its factorization.
102323100231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13698 (or 13686 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 102323100231 its reverse (132001323201), we get a palindrome (234324423432).
The spelling of 102323100231 in words is "one hundred two billion, three hundred twenty-three million, one hundred thousand, two hundred thirty-one".
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