Base | Representation |
---|---|
bin | 101111000001001111001… |
… | …000111010100001010000 |
3 | 102102220010220212120101221 |
4 | 233001033020322201100 |
5 | 410414340121043004 |
6 | 10512211111134424 |
7 | 452304511362613 |
oct | 57011710724120 |
9 | 12386126776357 |
10 | 3231143143504 |
11 | 1036358083601 |
12 | 442273374414 |
13 | 1a5906cbc433 |
14 | b256119217a |
15 | 590b1d4b354 |
hex | 2f04f23a850 |
3231143143504 has 80 divisors (see below), whose sum is σ = 6534327490560. Its totient is φ = 1546079264640.
The previous prime is 3231143143483. The next prime is 3231143143603. The reversal of 3231143143504 is 4053413411323.
It is a self number, because there is not a number n which added to its sum of digits gives 3231143143504.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29825467 + ... + 29933605.
It is an arithmetic number, because the mean of its divisors is an integer number (81679093632).
Almost surely, 23231143143504 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 3231143143504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3267163745280).
3231143143504 is an abundant number, since it is smaller than the sum of its proper divisors (3303184347056).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3231143143504 is a wasteful number, since it uses less digits than its factorization.
3231143143504 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 108848 (or 108842 counting only the distinct ones).
The product of its (nonzero) digits is 51840, while the sum is 34.
Adding to 3231143143504 its reverse (4053413411323), we get a palindrome (7284556554827).
The spelling of 3231143143504 in words is "three trillion, two hundred thirty-one billion, one hundred forty-three million, one hundred forty-three thousand, five hundred four".
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