Base | Representation |
---|---|
bin | 100010000110011… |
… | …1001010001110001 |
3 | 2221202001221212212 |
4 | 1010030321101301 |
5 | 4320410343100 |
6 | 305312501505 |
7 | 40232542340 |
oct | 10414712161 |
9 | 2852057785 |
10 | 1144231025 |
11 | 537985783 |
12 | 27b24a895 |
13 | 1530992a2 |
14 | abd73b57 |
15 | 6a6c1635 |
hex | 44339471 |
1144231025 has 48 divisors (see below), whose sum is σ = 1717699584. Its totient is φ = 739126080.
The previous prime is 1144231021. The next prime is 1144231037. The reversal of 1144231025 is 5201324411.
It is not a de Polignac number, because 1144231025 - 22 = 1144231021 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1144231021) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 267554 + ... + 271796.
It is an arithmetic number, because the mean of its divisors is an integer number (35785408).
Almost surely, 21144231025 is an apocalyptic number.
It is an amenable number.
1144231025 is a deficient number, since it is larger than the sum of its proper divisors (573468559).
1144231025 is a wasteful number, since it uses less digits than its factorization.
1144231025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4350 (or 4345 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 23.
The square root of 1144231025 is about 33826.4840768295. The cubic root of 1144231025 is about 1045.9347039440.
Adding to 1144231025 its reverse (5201324411), we get a palindrome (6345555436).
The spelling of 1144231025 in words is "one billion, one hundred forty-four million, two hundred thirty-one thousand, twenty-five".
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