Base | Representation |
---|---|
bin | 10010101001010100… |
… | …010110010100111111 |
3 | 1220200021012110200211 |
4 | 102221110112110333 |
5 | 312000230144043 |
6 | 13110341533251 |
7 | 1306061615152 |
oct | 225124262477 |
9 | 56607173624 |
10 | 20020553023 |
11 | 8544097899 |
12 | 3a68a14227 |
13 | 1b70a229a3 |
14 | d7cd15c99 |
15 | 7c297aa9d |
hex | 4a951653f |
20020553023 has 8 divisors (see below), whose sum is σ = 21362956400. Its totient is φ = 18707018688.
The previous prime is 20020552991. The next prime is 20020553101. The reversal of 20020553023 is 32035502002.
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 20020553023 - 25 = 20020552991 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20020552985 and 20020553003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20020553323) 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, 7215828 + ... + 7218601.
It is an arithmetic number, because the mean of its divisors is an integer number (2670369550).
Almost surely, 220020553023 is an apocalyptic number.
20020553023 is a deficient number, since it is larger than the sum of its proper divisors (1342403377).
20020553023 is a wasteful number, since it uses less digits than its factorization.
20020553023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14434521.
The product of its (nonzero) digits is 1800, while the sum is 22.
The spelling of 20020553023 in words is "twenty billion, twenty million, five hundred fifty-three thousand, twenty-three".
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