Base | Representation |
---|---|
bin | 10100111010101111… |
… | …11001011010101011 |
3 | 1001222122122101102222 |
4 | 22131113321122223 |
5 | 140444414100440 |
6 | 5054210344255 |
7 | 545203211666 |
oct | 123527713253 |
9 | 31878571388 |
10 | 11230221995 |
11 | 4843193003 |
12 | 2214b8b08b |
13 | 109c833995 |
14 | 7876bc6dd |
15 | 45adb82b5 |
hex | 29d5f96ab |
11230221995 has 4 divisors (see below), whose sum is σ = 13476266400. Its totient is φ = 8984177592.
The previous prime is 11230221949. The next prime is 11230222001. The reversal of 11230221995 is 59912203211.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59912203211 = 7 ⋅8558886173.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-11230221995 is a prime.
It is a super-2 number, since 2×112302219952 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1123022195 + ... + 1123022204.
It is an arithmetic number, because the mean of its divisors is an integer number (3369066600).
Almost surely, 211230221995 is an apocalyptic number.
11230221995 is a deficient number, since it is larger than the sum of its proper divisors (2246044405).
11230221995 is an equidigital number, since it uses as much as digits as its factorization.
11230221995 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2246044404.
The product of its (nonzero) digits is 9720, while the sum is 35.
The spelling of 11230221995 in words is "eleven billion, two hundred thirty million, two hundred twenty-one thousand, nine hundred ninety-five".
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