Base | Representation |
---|---|
bin | 1000011100111010111… |
… | …1101111011101110011 |
3 | 111212210102012102022122 |
4 | 2013032233233131303 |
5 | 4334333322324301 |
6 | 150412150224455 |
7 | 13330153150361 |
oct | 2071657573563 |
9 | 455712172278 |
10 | 145202542451 |
11 | 566420602aa |
12 | 2418405512b |
13 | 10900688195 |
14 | 7056574631 |
15 | 3b9c83581b |
hex | 21cebef773 |
145202542451 has 2 divisors, whose sum is σ = 145202542452. Its totient is φ = 145202542450.
The previous prime is 145202542421. The next prime is 145202542519. The reversal of 145202542451 is 154245202541.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 145202542451 - 226 = 145135433587 is a prime.
It is a Sophie Germain prime.
It is not a weakly prime, because it can be changed into another prime (145202542421) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72601271225 + 72601271226.
It is an arithmetic number, because the mean of its divisors is an integer number (72601271226).
Almost surely, 2145202542451 is an apocalyptic number.
145202542451 is a deficient number, since it is larger than the sum of its proper divisors (1).
145202542451 is an equidigital number, since it uses as much as digits as its factorization.
145202542451 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 64000, while the sum is 35.
Adding to 145202542451 its reverse (154245202541), we get a palindrome (299447744992).
The spelling of 145202542451 in words is "one hundred forty-five billion, two hundred two million, five hundred forty-two thousand, four hundred fifty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •