Base | Representation |
---|---|
bin | 1011100011110110001… |
… | …00011011001101001001 |
3 | 1101222020200011110222211 |
4 | 11301323010123031021 |
5 | 23001432121430214 |
6 | 502245535545121 |
7 | 40461013105165 |
oct | 5617304331511 |
9 | 1358220143884 |
10 | 397201748809 |
11 | 1434a8039908 |
12 | 64b9208b1a1 |
13 | 2b5c09a40c8 |
14 | 153206b5ca5 |
15 | a4eae070c4 |
hex | 5c7b11b349 |
397201748809 has 8 divisors (see below), whose sum is σ = 410732791040. Its totient is φ = 383715586800.
The previous prime is 397201748803. The next prime is 397201748843. The reversal of 397201748809 is 908847102793.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 397201748809 - 25 = 397201748777 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (397201748803) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11202054 + ... + 11237455.
It is an arithmetic number, because the mean of its divisors is an integer number (51341598880).
Almost surely, 2397201748809 is an apocalyptic number.
It is an amenable number.
397201748809 is a deficient number, since it is larger than the sum of its proper divisors (13531042231).
397201748809 is a wasteful number, since it uses less digits than its factorization.
397201748809 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22440111.
The product of its (nonzero) digits is 6096384, while the sum is 58.
The spelling of 397201748809 in words is "three hundred ninety-seven billion, two hundred one million, seven hundred forty-eight thousand, eight hundred nine".
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