Base | Representation |
---|---|
bin | 11100111101101101… |
… | …000101011101010010 |
3 | 2222021102010200210220 |
4 | 130331231011131102 |
5 | 1002143100000312 |
6 | 22142004533510 |
7 | 2150454432114 |
oct | 347555053522 |
9 | 88242120726 |
10 | 31100000082 |
11 | 1220a159408 |
12 | 603b3b1296 |
13 | 2c18245b18 |
14 | 17105873b4 |
15 | c204aec8c |
hex | 73db45752 |
31100000082 has 8 divisors (see below), whose sum is σ = 62200000176. Its totient is φ = 10366666692.
The previous prime is 31100000069. The next prime is 31100000083. The reversal of 31100000082 is 28000000113.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
31100000082 is an admirable number.
It is not an unprimeable number, because it can be changed into a prime (31100000083) 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, 2591666668 + ... + 2591666679.
It is an arithmetic number, because the mean of its divisors is an integer number (7775000022).
Almost surely, 231100000082 is an apocalyptic number.
31100000082 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31100000082 is a wasteful number, since it uses less digits than its factorization.
31100000082 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5183333352.
The product of its (nonzero) digits is 48, while the sum is 15.
Adding to 31100000082 its reverse (28000000113), we get a palindrome (59100000195).
The spelling of 31100000082 in words is "thirty-one billion, one hundred million, eighty-two", and thus it is an aban number.
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