Base | Representation |
---|---|
bin | 100010010100001… |
… | …1001101000100101 |
3 | 2222020122021201110 |
4 | 1010220121220211 |
5 | 4324232111240 |
6 | 310131215233 |
7 | 40351043100 |
oct | 10450315045 |
9 | 2866567643 |
10 | 1151441445 |
11 | 540a60000 |
12 | 281747519 |
13 | 1547221cb |
14 | acccd737 |
15 | 6b147c80 |
hex | 44a19a25 |
1151441445 has 120 divisors (see below), whose sum is σ = 2379417120. Its totient is φ = 474048960.
The previous prime is 1151441419. The next prime is 1151441449. The reversal of 1151441445 is 5441441511.
It is not a de Polignac number, because 1151441445 - 25 = 1151441413 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1151441449) by changing a digit.
It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 10761082 + ... + 10761188.
It is an arithmetic number, because the mean of its divisors is an integer number (19828476).
Almost surely, 21151441445 is an apocalyptic number.
1151441445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1151441445 is an abundant number, since it is smaller than the sum of its proper divisors (1227975675).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1151441445 is an equidigital number, since it uses as much as digits as its factorization.
1151441445 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 173 (or 133 counting only the distinct ones).
The product of its digits is 6400, while the sum is 30.
The square root of 1151441445 is about 33932.8962070732. The cubic root of 1151441445 is about 1048.1271057327.
Adding to 1151441445 its reverse (5441441511), we get a palindrome (6592882956).
The spelling of 1151441445 in words is "one billion, one hundred fifty-one million, four hundred forty-one thousand, four hundred forty-five".
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