Base | Representation |
---|---|
bin | 1001001111000110100111… |
… | …11000110100001111101001 |
3 | 2122220122001222201022211100 |
4 | 10213203103320310033221 |
5 | 10130230202011341441 |
6 | 111110205300552013 |
7 | 4164234463526562 |
oct | 447432370641751 |
9 | 78818058638740 |
10 | 20310160262121 |
11 | 6520543a8a684 |
12 | 23402b36b2609 |
13 | b44317082962 |
14 | 50303491d169 |
15 | 2534a950ccb6 |
hex | 1278d3e343e9 |
20310160262121 has 12 divisors (see below), whose sum is σ = 29666526226740. Its totient is φ = 13387970808960.
The previous prime is 20310160262101. The next prime is 20310160262153. The reversal of 20310160262121 is 12126206101302.
20310160262121 is a `hidden beast` number, since 2 + 0 + 3 + 1 + 0 + 16 + 0 + 2 + 621 + 21 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 5119155128025 + 15191005134096 = 2262555^2 + 3897564^2 .
It is not a de Polignac number, because 20310160262121 - 211 = 20310160260073 is a prime.
It is not an unprimeable number, because it can be changed into a prime (20310160262101) 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, 12678001860 + ... + 12678003461.
It is an arithmetic number, because the mean of its divisors is an integer number (2472210518895).
Almost surely, 220310160262121 is an apocalyptic number.
It is an amenable number.
20310160262121 is a deficient number, since it is larger than the sum of its proper divisors (9356365964619).
20310160262121 is a wasteful number, since it uses less digits than its factorization.
20310160262121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25356005416 (or 25356005413 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 27.
Adding to 20310160262121 its reverse (12126206101302), we get a palindrome (32436366363423).
The spelling of 20310160262121 in words is "twenty trillion, three hundred ten billion, one hundred sixty million, two hundred sixty-two thousand, one hundred twenty-one".
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