Base | Representation |
---|---|
bin | 11101001101111111… |
… | …111101011011011000 |
3 | 2222222110120000012101 |
4 | 131031333331123120 |
5 | 1003223041232014 |
6 | 22225052253144 |
7 | 2160314234020 |
oct | 351577753330 |
9 | 88873500171 |
10 | 31373383384 |
11 | 1233a503322 |
12 | 60b6a711b4 |
13 | 2c5ca848a5 |
14 | 17389cca80 |
15 | c394b2474 |
hex | 74dffd6d8 |
31373383384 has 16 divisors (see below), whose sum is σ = 67228678800. Its totient is φ = 13445735712.
The previous prime is 31373383373. The next prime is 31373383387. The reversal of 31373383384 is 48338337313.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31373383387) 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, 280119439 + ... + 280119550.
It is an arithmetic number, because the mean of its divisors is an integer number (4201792425).
Almost surely, 231373383384 is an apocalyptic number.
It is an amenable number.
31373383384 is an abundant number, since it is smaller than the sum of its proper divisors (35855295416).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31373383384 is a wasteful number, since it uses less digits than its factorization.
31373383384 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 560239002 (or 560238998 counting only the distinct ones).
The product of its digits is 1306368, while the sum is 46.
The spelling of 31373383384 in words is "thirty-one billion, three hundred seventy-three million, three hundred eighty-three thousand, three hundred eighty-four".
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