Base | Representation |
---|---|
bin | 111101000000001100… |
… | …1101011001111011101 |
3 | 110112010211200202220200 |
4 | 1322000121223033131 |
5 | 4121243311430440 |
6 | 140103153534113 |
7 | 12315245052423 |
oct | 1720031531735 |
9 | 415124622820 |
10 | 131003233245 |
11 | 50615a01115 |
12 | 21480874339 |
13 | c4799a4581 |
14 | 64aa819113 |
15 | 361ae82c30 |
hex | 1e8066b3dd |
131003233245 has 24 divisors (see below), whose sum is σ = 231903599616. Its totient is φ = 68381828448.
The previous prime is 131003233243. The next prime is 131003233271. The reversal of 131003233245 is 542332300131.
131003233245 is a `hidden beast` number, since 1 + 3 + 10 + 0 + 323 + 324 + 5 = 666.
It is not a de Polignac number, because 131003233245 - 21 = 131003233243 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131003233241) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30967917 + ... + 30972146.
It is an arithmetic number, because the mean of its divisors is an integer number (9662649984).
Almost surely, 2131003233245 is an apocalyptic number.
131003233245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
131003233245 is a deficient number, since it is larger than the sum of its proper divisors (100900366371).
131003233245 is a wasteful number, since it uses less digits than its factorization.
131003233245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61940121 (or 61940118 counting only the distinct ones).
The product of its (nonzero) digits is 6480, while the sum is 27.
Adding to 131003233245 its reverse (542332300131), we get a palindrome (673335533376).
The spelling of 131003233245 in words is "one hundred thirty-one billion, three million, two hundred thirty-three thousand, two hundred forty-five".
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