Base | Representation |
---|---|
bin | 101111101001011011… |
… | …1111101100011101111 |
3 | 100210010000010221012012 |
4 | 1133102313331203233 |
5 | 3134023431230411 |
6 | 115001154231435 |
7 | 10251431532143 |
oct | 1372267754357 |
9 | 323100127165 |
10 | 102322133231 |
11 | 3a4381a417a |
12 | 179b758557b |
13 | 9858933c86 |
14 | 4d49611223 |
15 | 29dd02e18b |
hex | 17d2dfd8ef |
102322133231 has 4 divisors (see below), whose sum is σ = 102330534552. Its totient is φ = 102313731912.
The previous prime is 102322133219. The next prime is 102322133237. The reversal of 102322133231 is 132331223201.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132331223201 = 43 ⋅3077470307.
It is a cyclic number.
It is not a de Polignac number, because 102322133231 - 210 = 102322132207 is a prime.
It is a super-2 number, since 2×1023221332312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 102322133197 and 102322133206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102322133237) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4182365 + ... + 4206758.
It is an arithmetic number, because the mean of its divisors is an integer number (25582633638).
Almost surely, 2102322133231 is an apocalyptic number.
102322133231 is a deficient number, since it is larger than the sum of its proper divisors (8401321).
102322133231 is an equidigital number, since it uses as much as digits as its factorization.
102322133231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8401320.
The product of its (nonzero) digits is 1296, while the sum is 23.
Adding to 102322133231 its reverse (132331223201), we get a palindrome (234653356432).
The spelling of 102322133231 in words is "one hundred two billion, three hundred twenty-two million, one hundred thirty-three thousand, two hundred thirty-one".
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