Base | Representation |
---|---|
bin | 101111100110110010… |
… | …0110100111101111111 |
3 | 100202212210212020120112 |
4 | 1133031210310331333 |
5 | 3133333201344411 |
6 | 114544300540235 |
7 | 10246302061505 |
oct | 1371544647577 |
9 | 322783766515 |
10 | 102233231231 |
11 | 3a3a1aa284a |
12 | 1799185167b |
13 | 98433a7a41 |
14 | 4d3b8ac675 |
15 | 29d531cb8b |
hex | 17cd934f7f |
102233231231 has 4 divisors (see below), whose sum is σ = 106678154352. Its totient is φ = 97788308112.
The previous prime is 102233231197. The next prime is 102233231237. The reversal of 102233231231 is 132132332201.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 102233231231 - 222 = 102229036927 is a prime.
It is a super-2 number, since 2×1022332312312 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 4444923097 = 102233231231 / (1 + 0 + 2 + 2 + 3 + 3 + 2 + 3 + 1 + 2 + 3 + 1).
It is a junction number, because it is equal to n+sod(n) for n = 102233231197 and 102233231206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102233231237) 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, 2222461526 + ... + 2222461571.
It is an arithmetic number, because the mean of its divisors is an integer number (26669538588).
Almost surely, 2102233231231 is an apocalyptic number.
102233231231 is a deficient number, since it is larger than the sum of its proper divisors (4444923121).
102233231231 is an equidigital number, since it uses as much as digits as its factorization.
102233231231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4444923120.
The product of its (nonzero) digits is 1296, while the sum is 23.
Adding to 102233231231 its reverse (132132332201), we get a palindrome (234365563432).
The spelling of 102233231231 in words is "one hundred two billion, two hundred thirty-three million, two hundred thirty-one thousand, two hundred thirty-one".
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