Base | Representation |
---|---|
bin | 10010101001010011… |
… | …001111111011001110 |
3 | 1220200020122211010111 |
4 | 102221103033323032 |
5 | 312000141432104 |
6 | 13110331430234 |
7 | 1306056304345 |
oct | 225123177316 |
9 | 56606584114 |
10 | 20020264654 |
11 | 8543a10175 |
12 | 3a688b537a |
13 | 1b70951660 |
14 | d7cc7cb5c |
15 | 7c2920404 |
hex | 4a94cfece |
20020264654 has 8 divisors (see below), whose sum is σ = 32340427560. Its totient is φ = 9240122136.
The previous prime is 20020264643. The next prime is 20020264661. The reversal of 20020264654 is 45646202002.
It is a sphenic number, since it is the product of 3 distinct primes.
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, 385005064 + ... + 385005115.
It is an arithmetic number, because the mean of its divisors is an integer number (4042553445).
Almost surely, 220020264654 is an apocalyptic number.
20020264654 is a deficient number, since it is larger than the sum of its proper divisors (12320162906).
20020264654 is a wasteful number, since it uses less digits than its factorization.
20020264654 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 770010194.
The product of its (nonzero) digits is 23040, while the sum is 31.
Adding to 20020264654 its reverse (45646202002), we get a palindrome (65666466656).
The spelling of 20020264654 in words is "twenty billion, twenty million, two hundred sixty-four thousand, six hundred fifty-four".
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