Base | Representation |
---|---|
bin | 111101000011011000… |
… | …1110011110010101100 |
3 | 110112102022000102021221 |
4 | 1322012301303302230 |
5 | 4122003204114040 |
6 | 140121535033124 |
7 | 12321014336110 |
oct | 1720661636254 |
9 | 415368012257 |
10 | 131110223020 |
11 | 50670337117 |
12 | 214b066b7a4 |
13 | c495bc472a |
14 | 64bab09740 |
15 | 362556874a |
hex | 1e86c73cac |
131110223020 has 96 divisors (see below), whose sum is σ = 336473585280. Its totient is φ = 41888870400.
The previous prime is 131110222993. The next prime is 131110223033. The reversal of 131110223020 is 20322011131.
131110223020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 131110222985 and 131110223003.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32335 + ... + 513094.
It is an arithmetic number, because the mean of its divisors is an integer number (3504933180).
Almost surely, 2131110223020 is an apocalyptic number.
131110223020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 131110223020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168236792640).
131110223020 is an abundant number, since it is smaller than the sum of its proper divisors (205363362260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131110223020 is a wasteful number, since it uses less digits than its factorization.
131110223020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 545563 (or 545561 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 131110223020 its reverse (20322011131), we get a palindrome (151432234151).
The spelling of 131110223020 in words is "one hundred thirty-one billion, one hundred ten million, two hundred twenty-three thousand, twenty".
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