Base | Representation |
---|---|
bin | 1101011001010001011… |
… | …0111101001101000000 |
3 | 210222222121201201002120 |
4 | 3112110112331031000 |
5 | 12232242303000022 |
6 | 253414451444240 |
7 | 22424434245051 |
oct | 3262426751500 |
9 | 728877651076 |
10 | 230122312512 |
11 | 8965a056454 |
12 | 387235b6680 |
13 | 18914b3a931 |
14 | b1d0888728 |
15 | 5ebcbadd5c |
hex | 35945bd340 |
230122312512 has 112 divisors (see below), whose sum is σ = 613645549440. Its totient is φ = 76107552768.
The previous prime is 230122312463. The next prime is 230122312513. The reversal of 230122312512 is 215213221032.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230122312513) 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, 12873693 + ... + 12891555.
It is an arithmetic number, because the mean of its divisors is an integer number (5478978120).
Almost surely, 2230122312512 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 230122312512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (306822774720).
230122312512 is an abundant number, since it is smaller than the sum of its proper divisors (383523236928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230122312512 is a wasteful number, since it uses less digits than its factorization.
230122312512 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18400 (or 18390 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 24.
Adding to 230122312512 its reverse (215213221032), we get a palindrome (445335533544).
The spelling of 230122312512 in words is "two hundred thirty billion, one hundred twenty-two million, three hundred twelve thousand, five hundred twelve".
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