Base | Representation |
---|---|
bin | 11100111101111110… |
… | …000001111111000000 |
3 | 2222021201111101101122 |
4 | 130331332001333000 |
5 | 1002200214123204 |
6 | 22142244051412 |
7 | 2150540253155 |
oct | 347576017700 |
9 | 88251441348 |
10 | 31104442304 |
11 | 12211712971 |
12 | 6040993b68 |
13 | 2c1913ca60 |
14 | 1710dc222c |
15 | c20a8b0be |
hex | 73df81fc0 |
31104442304 has 112 divisors (see below), whose sum is σ = 69399607200. Its totient is φ = 13732540416.
The previous prime is 31104442301. The next prime is 31104442337. The reversal of 31104442304 is 40324440113.
It is a Harshad number since it is a multiple of its sum of digits (26).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31104442301) 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, 2624039 + ... + 2635865.
It is an arithmetic number, because the mean of its divisors is an integer number (619639350).
Almost surely, 231104442304 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 31104442304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34699803600).
31104442304 is an abundant number, since it is smaller than the sum of its proper divisors (38295164896).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31104442304 is a wasteful number, since it uses less digits than its factorization.
31104442304 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11990 (or 11980 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 26.
Adding to 31104442304 its reverse (40324440113), we get a palindrome (71428882417).
The spelling of 31104442304 in words is "thirty-one billion, one hundred four million, four hundred forty-two thousand, three hundred four".
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