Base | Representation |
---|---|
bin | 10101000010101111… |
… | …00101100001101001 |
3 | 1002011022202201201220 |
4 | 22201113211201221 |
5 | 141114043440020 |
6 | 5105003132253 |
7 | 546646015062 |
oct | 124127454151 |
9 | 32138681656 |
10 | 11297249385 |
11 | 4878003744 |
12 | 2233514089 |
13 | 10b06a1466 |
14 | 792569569 |
15 | 461c08240 |
hex | 2a15e5869 |
11297249385 has 16 divisors (see below), whose sum is σ = 18077385984. Its totient is φ = 6024604032.
The previous prime is 11297249351. The next prime is 11297249389. The reversal of 11297249385 is 58394279211.
It is not a de Polignac number, because 11297249385 - 26 = 11297249321 is a prime.
It is not an unprimeable number, because it can be changed into a prime (11297249389) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149904 + ... + 212286.
It is an arithmetic number, because the mean of its divisors is an integer number (1129836624).
Almost surely, 211297249385 is an apocalyptic number.
11297249385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
11297249385 is a deficient number, since it is larger than the sum of its proper divisors (6780136599).
11297249385 is a wasteful number, since it uses less digits than its factorization.
11297249385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 74464.
The product of its digits is 1088640, while the sum is 51.
The spelling of 11297249385 in words is "eleven billion, two hundred ninety-seven million, two hundred forty-nine thousand, three hundred eighty-five".
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