Base | Representation |
---|---|
bin | 1000001011110111… |
… | …0011001111110001 |
3 | 12200010111021221200 |
4 | 2002331303033301 |
5 | 13444443120034 |
6 | 1002010241413 |
7 | 105310135635 |
oct | 20275631761 |
9 | 5603437850 |
10 | 2197238769 |
11 | a28314010 |
12 | 513a26269 |
13 | 2902a58ab |
14 | 16bb5cdc5 |
15 | ccd73a99 |
hex | 82f733f1 |
2197238769 has 12 divisors (see below), whose sum is σ = 3462315792. Its totient is φ = 1331659800.
The previous prime is 2197238761. The next prime is 2197238777. The reversal of 2197238769 is 9678327912.
It is an interprime number because it is at equal distance from previous prime (2197238761) and next prime (2197238777).
It is not a de Polignac number, because 2197238769 - 23 = 2197238761 is a prime.
It is a super-2 number, since 2×21972387692 = 9655716415993270722, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2197238761) 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, 11097067 + ... + 11097264.
It is an arithmetic number, because the mean of its divisors is an integer number (288526316).
Almost surely, 22197238769 is an apocalyptic number.
It is an amenable number.
2197238769 is a deficient number, since it is larger than the sum of its proper divisors (1265077023).
2197238769 is a wasteful number, since it uses less digits than its factorization.
2197238769 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22194348 (or 22194345 counting only the distinct ones).
The product of its digits is 2286144, while the sum is 54.
The square root of 2197238769 is about 46874.7135351247. The cubic root of 2197238769 is about 1300.0470927714.
The spelling of 2197238769 in words is "two billion, one hundred ninety-seven million, two hundred thirty-eight thousand, seven hundred sixty-nine".
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