Base | Representation |
---|---|
bin | 11100111101111101… |
… | …001110001111000100 |
3 | 2222021201002121122010 |
4 | 130331331032033010 |
5 | 1002200140332330 |
6 | 22142235334220 |
7 | 2150535411201 |
oct | 347575161704 |
9 | 88251077563 |
10 | 31104230340 |
11 | 12211588697 |
12 | 60408b1370 |
13 | 2c19097431 |
14 | 1710d68ca8 |
15 | c20a483b0 |
hex | 73df4e3c4 |
31104230340 has 48 divisors (see below), whose sum is σ = 87127060608. Its totient is φ = 8291107584.
The previous prime is 31104230317. The next prime is 31104230359. The reversal of 31104230340 is 4303240113.
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, 46624 + ... + 253736.
It is an arithmetic number, because the mean of its divisors is an integer number (1815147096).
Almost surely, 231104230340 is an apocalyptic number.
31104230340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
31104230340 is an abundant number, since it is smaller than the sum of its proper divisors (56022830268).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31104230340 is a wasteful number, since it uses less digits than its factorization.
31104230340 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 209628 (or 209626 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 31104230340 its reverse (4303240113), we get a palindrome (35407470453).
The spelling of 31104230340 in words is "thirty-one billion, one hundred four million, two hundred thirty thousand, three hundred forty".
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