Base | Representation |
---|---|
bin | 11101011000000111… |
… | …011000111101100010 |
3 | 10000102021220200012022 |
4 | 131120013120331202 |
5 | 1004100013301310 |
6 | 22253554101442 |
7 | 2164444645244 |
oct | 353007307542 |
9 | 100367820168 |
10 | 31543103330 |
11 | 12417294442 |
12 | 614387a882 |
13 | 2c88c995ab |
14 | 175336c094 |
15 | c49339a55 |
hex | 7581d8f62 |
31543103330 has 16 divisors (see below), whose sum is σ = 57739919040. Its totient is φ = 12403389552.
The previous prime is 31543103243. The next prime is 31543103363. The reversal of 31543103330 is 3330134513.
It is a self number, because there is not a number n which added to its sum of digits gives 31543103330.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26730854 + ... + 26732033.
It is an arithmetic number, because the mean of its divisors is an integer number (3608744940).
Almost surely, 231543103330 is an apocalyptic number.
31543103330 is a deficient number, since it is larger than the sum of its proper divisors (26196815710).
31543103330 is a wasteful number, since it uses less digits than its factorization.
31543103330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53462953.
The product of its (nonzero) digits is 4860, while the sum is 26.
Adding to 31543103330 its reverse (3330134513), we get a palindrome (34873237843).
The spelling of 31543103330 in words is "thirty-one billion, five hundred forty-three million, one hundred three thousand, three hundred thirty".
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