Base | Representation |
---|---|
bin | 1001001010110101111000… |
… | …00001100110010110010100 |
3 | 2122101122010002021021101001 |
4 | 10211122330001212112110 |
5 | 10120330310120221002 |
6 | 110515031250113044 |
7 | 4150532023531615 |
oct | 445327401462624 |
9 | 78348102237331 |
10 | 20163731023252 |
11 | 647443254a193 |
12 | 2317a4887b784 |
13 | b3357c516c0b |
14 | 4d9d034a9c0c |
15 | 24e789166a87 |
hex | 1256bc066594 |
20163731023252 has 12 divisors (see below), whose sum is σ = 35286583268020. Its totient is φ = 10081850089536.
The previous prime is 20163731023231. The next prime is 20163731023279. The reversal of 20163731023252 is 25232013736102.
It can be written as a sum of positive squares in 2 ways, for example, as 15452556588676 + 4711174434576 = 3930974^2 + 2170524^2 .
It is a congruent number.
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, 610227 + ... + 6379642.
Almost surely, 220163731023252 is an apocalyptic number.
It is an amenable number.
20163731023252 is a deficient number, since it is larger than the sum of its proper divisors (15122852244768).
20163731023252 is a wasteful number, since it uses less digits than its factorization.
20163731023252 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7711050 (or 7711048 counting only the distinct ones).
The product of its (nonzero) digits is 90720, while the sum is 37.
Adding to 20163731023252 its reverse (25232013736102), we get a palindrome (45395744759354).
The spelling of 20163731023252 in words is "twenty trillion, one hundred sixty-three billion, seven hundred thirty-one million, twenty-three thousand, two hundred fifty-two".
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