Base | Representation |
---|---|
bin | 101111000000110110101… |
… | …000000000111010110100 |
3 | 102102212002020222111102122 |
4 | 233000312220000322310 |
5 | 410413014324201110 |
6 | 10512102220055112 |
7 | 452261355520316 |
oct | 57006650007264 |
9 | 12385066874378 |
10 | 3230731865780 |
11 | 1036166a05561 |
12 | 442179694498 |
13 | 1a586ca2c833 |
14 | b25226d37b6 |
15 | 5908abab255 |
hex | 2f036a00eb4 |
3230731865780 has 48 divisors (see below), whose sum is σ = 7104533030784. Its totient is φ = 1231738189440.
The previous prime is 3230731865723. The next prime is 3230731865789. The reversal of 3230731865780 is 875681370323.
It is a happy number.
It is a super-3 number, since 3×32307318657803 (a number of 39 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3230731865789) 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, 12278531 + ... + 12538890.
It is an arithmetic number, because the mean of its divisors is an integer number (148011104808).
Almost surely, 23230731865780 is an apocalyptic number.
It is an amenable number.
3230731865780 is an abundant number, since it is smaller than the sum of its proper divisors (3873801165004).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3230731865780 is a wasteful number, since it uses less digits than its factorization.
3230731865780 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24817736 (or 24817734 counting only the distinct ones).
The product of its (nonzero) digits is 5080320, while the sum is 53.
The spelling of 3230731865780 in words is "three trillion, two hundred thirty billion, seven hundred thirty-one million, eight hundred sixty-five thousand, seven hundred eighty".
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