Base | Representation |
---|---|
bin | 1011110000100101110… |
… | …1001001110011111101 |
3 | 201022110021020000112012 |
4 | 2330021131021303331 |
5 | 11302220124201341 |
6 | 232450242421005 |
7 | 20411203342634 |
oct | 2741135116375 |
9 | 638407200465 |
10 | 202022100221 |
11 | 7874a233007 |
12 | 331a0961765 |
13 | 16087233896 |
14 | 9ac689051b |
15 | 53c5c500eb |
hex | 2f09749cfd |
202022100221 has 8 divisors (see below), whose sum is σ = 203221799424. Its totient is φ = 200823880480.
The previous prime is 202022100199. The next prime is 202022100229. The reversal of 202022100221 is 122001220202.
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 202022100221 - 222 = 202017905917 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 202022100196 and 202022100205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (202022100229) 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, 95351 + ... + 642756.
It is an arithmetic number, because the mean of its divisors is an integer number (25402724928).
Almost surely, 2202022100221 is an apocalyptic number.
It is an amenable number.
202022100221 is a deficient number, since it is larger than the sum of its proper divisors (1199699203).
202022100221 is a wasteful number, since it uses less digits than its factorization.
202022100221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 739731.
The product of its (nonzero) digits is 64, while the sum is 14.
Adding to 202022100221 its reverse (122001220202), we get a palindrome (324023320423).
The spelling of 202022100221 in words is "two hundred two billion, twenty-two million, one hundred thousand, two hundred twenty-one".
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