Base | Representation |
---|---|
bin | 11101001011011011… |
… | …101110110111001110 |
3 | 2222212110112202221202 |
4 | 131023123232313032 |
5 | 1003131031111420 |
6 | 22220513425502 |
7 | 2156252300060 |
oct | 351333566716 |
9 | 88773482852 |
10 | 31330332110 |
11 | 12318179260 |
12 | 60a456b292 |
13 | 2c53b9026c |
14 | 1732dc3730 |
15 | c3580b575 |
hex | 74b6eedce |
31330332110 has 64 divisors (see below), whose sum is σ = 70332240384. Its totient is φ = 9762230400.
The previous prime is 31330332109. The next prime is 31330332113. The reversal of 31330332110 is 1123303313.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31330332113) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4601969 + ... + 4608771.
It is an arithmetic number, because the mean of its divisors is an integer number (1098941256).
Almost surely, 231330332110 is an apocalyptic number.
31330332110 is an abundant number, since it is smaller than the sum of its proper divisors (39001908274).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31330332110 is a wasteful number, since it uses less digits than its factorization.
31330332110 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12809.
The product of its (nonzero) digits is 486, while the sum is 20.
Adding to 31330332110 its reverse (1123303313), we get a palindrome (32453635423).
The spelling of 31330332110 in words is "thirty-one billion, three hundred thirty million, three hundred thirty-two thousand, one hundred ten".
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