Base | Representation |
---|---|
bin | 10001010011110… |
… | …01001110110011 |
3 | 101010012221000200 |
4 | 20221321032303 |
5 | 244132400201 |
6 | 22224050243 |
7 | 3412115523 |
oct | 1051711663 |
9 | 333187020 |
10 | 145200051 |
11 | 74a63a47 |
12 | 40763983 |
13 | 2410b1b9 |
14 | 153d9683 |
15 | cb32386 |
hex | 8a793b3 |
145200051 has 12 divisors (see below), whose sum is σ = 209841528. Its totient is φ = 96750144.
The previous prime is 145200049. The next prime is 145200067. The reversal of 145200051 is 150002541.
It is not a de Polignac number, because 145200051 - 21 = 145200049 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 145199997 and 145200033.
It is not an unprimeable number, because it can be changed into a prime (145200031) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25131 + ... + 30363.
It is an arithmetic number, because the mean of its divisors is an integer number (17486794).
Almost surely, 2145200051 is an apocalyptic number.
145200051 is a deficient number, since it is larger than the sum of its proper divisors (64641477).
145200051 is a wasteful number, since it uses less digits than its factorization.
145200051 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8322 (or 8319 counting only the distinct ones).
The product of its (nonzero) digits is 200, while the sum is 18.
The square root of 145200051 is about 12049.8983813143. The cubic root of 145200051 is about 525.6002820867.
Adding to 145200051 its reverse (150002541), we get a palindrome (295202592).
The spelling of 145200051 in words is "one hundred forty-five million, two hundred thousand, fifty-one".
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