Base | Representation |
---|---|
bin | 10010110110000111… |
… | …010111100111100001 |
3 | 1221020020012102101210 |
4 | 102312013113213201 |
5 | 312420211113431 |
6 | 13143531420333 |
7 | 1314306552216 |
oct | 226607274741 |
9 | 57206172353 |
10 | 20235254241 |
11 | 8644301014 |
12 | 3b088b46a9 |
13 | 1ba6356627 |
14 | d9d643b0d |
15 | 7d673ad46 |
hex | 4b61d79e1 |
20235254241 has 16 divisors (see below), whose sum is σ = 28570377024. Its totient is φ = 12695314944.
The previous prime is 20235254233. The next prime is 20235254279. The reversal of 20235254241 is 14245253202.
It is not a de Polignac number, because 20235254241 - 23 = 20235254233 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 20235254199 and 20235254208.
It is not an unprimeable number, because it can be changed into a prime (20235252241) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 777546 + ... + 803148.
It is an arithmetic number, because the mean of its divisors is an integer number (1785648564).
Almost surely, 220235254241 is an apocalyptic number.
It is an amenable number.
20235254241 is a deficient number, since it is larger than the sum of its proper divisors (8335122783).
20235254241 is a wasteful number, since it uses less digits than its factorization.
20235254241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41120.
The product of its (nonzero) digits is 19200, while the sum is 30.
The spelling of 20235254241 in words is "twenty billion, two hundred thirty-five million, two hundred fifty-four thousand, two hundred forty-one".
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