Base | Representation |
---|---|
bin | 111101001101100011… |
… | …0001010000000110001 |
3 | 110120022001102211021221 |
4 | 1322123012022000301 |
5 | 4123202440214413 |
6 | 140215433145041 |
7 | 12332323632124 |
oct | 1723306120061 |
9 | 416261384257 |
10 | 131451101233 |
11 | 508257a0a51 |
12 | 2158685b181 |
13 | c51b705a0a |
14 | 65100c03bb |
15 | 364544e68d |
hex | 1e9b18a031 |
131451101233 has 16 divisors (see below), whose sum is σ = 137808887040. Its totient is φ = 125148222144.
The previous prime is 131451101191. The next prime is 131451101239. The reversal of 131451101233 is 332101154131.
It is a cyclic number.
It is not a de Polignac number, because 131451101233 - 225 = 131417546801 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 131451101198 and 131451101207.
It is not an unprimeable number, because it can be changed into a prime (131451101239) 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, 4351660 + ... + 4381762.
It is an arithmetic number, because the mean of its divisors is an integer number (8613055440).
Almost surely, 2131451101233 is an apocalyptic number.
It is an amenable number.
131451101233 is a deficient number, since it is larger than the sum of its proper divisors (6357785807).
131451101233 is a wasteful number, since it uses less digits than its factorization.
131451101233 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31008.
The product of its (nonzero) digits is 1080, while the sum is 25.
Adding to 131451101233 its reverse (332101154131), we get a palindrome (463552255364).
The spelling of 131451101233 in words is "one hundred thirty-one billion, four hundred fifty-one million, one hundred one thousand, two hundred thirty-three".
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