Base | Representation |
---|---|
bin | 100010010100001… |
… | …1011110000100001 |
3 | 2222020122201122200 |
4 | 1010220123300201 |
5 | 4324232401040 |
6 | 310131323413 |
7 | 40351110336 |
oct | 10450336041 |
9 | 2866581580 |
10 | 1151450145 |
11 | 540a6659a |
12 | 281750569 |
13 | 154726161 |
14 | accd298d |
15 | 6b14a630 |
hex | 44a1bc21 |
1151450145 has 12 divisors (see below), whose sum is σ = 1995846996. Its totient is φ = 614106720.
The previous prime is 1151450123. The next prime is 1151450149. The reversal of 1151450145 is 5410541511.
1151450145 is a `hidden beast` number, since 1 + 1 + 514 + 5 + 0 + 145 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 552767121 + 598683024 = 23511^2 + 24468^2 .
It is not a de Polignac number, because 1151450145 - 29 = 1151449633 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1151450149) 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, 12793846 + ... + 12793935.
It is an arithmetic number, because the mean of its divisors is an integer number (166320583).
Almost surely, 21151450145 is an apocalyptic number.
1151450145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1151450145 is a deficient number, since it is larger than the sum of its proper divisors (844396851).
1151450145 is a wasteful number, since it uses less digits than its factorization.
1151450145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25587792 (or 25587789 counting only the distinct ones).
The product of its (nonzero) digits is 2000, while the sum is 27.
The square root of 1151450145 is about 33933.0244010168. The cubic root of 1151450145 is about 1048.1297455204.
Adding to 1151450145 its reverse (5410541511), we get a palindrome (6561991656).
The spelling of 1151450145 in words is "one billion, one hundred fifty-one million, four hundred fifty thousand, one hundred forty-five".
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