Base | Representation |
---|---|
bin | 10010110100000101… |
… | …010001111111000010 |
3 | 1221010212000212112111 |
4 | 102310011101333002 |
5 | 312332443334300 |
6 | 13140312445534 |
7 | 1313413651123 |
oct | 226405217702 |
9 | 57125025474 |
10 | 20201152450 |
11 | 8627029916 |
12 | 3ab93a98aa |
13 | 1b9c27665b |
14 | d98cc804a |
15 | 7d37519ba |
hex | 4b4151fc2 |
20201152450 has 24 divisors (see below), whose sum is σ = 39551731920. Its totient is φ = 7655173200.
The previous prime is 20201152409. The next prime is 20201152453. The reversal of 20201152450 is 5425110202.
It is not an unprimeable number, because it can be changed into a prime (20201152453) 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, 10631236 + ... + 10633135.
It is an arithmetic number, because the mean of its divisors is an integer number (1647988830).
Almost surely, 220201152450 is an apocalyptic number.
20201152450 is a deficient number, since it is larger than the sum of its proper divisors (19350579470).
20201152450 is a wasteful number, since it uses less digits than its factorization.
20201152450 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21264402 (or 21264397 counting only the distinct ones).
The product of its (nonzero) digits is 800, while the sum is 22.
Adding to 20201152450 its reverse (5425110202), we get a palindrome (25626262652).
The spelling of 20201152450 in words is "twenty billion, two hundred one million, one hundred fifty-two thousand, four hundred fifty".
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