Base | Representation |
---|---|
bin | 10010110111010011… |
… | …101111111001001111 |
3 | 1221021121212122221111 |
4 | 102313103233321033 |
5 | 312440322322443 |
6 | 13145524512451 |
7 | 1314642003421 |
oct | 226723577117 |
9 | 57247778844 |
10 | 20255276623 |
11 | 865463713a |
12 | 3b1354b727 |
13 | 1baa546caa |
14 | da2176811 |
15 | 7d839369d |
hex | 4b74efe4f |
20255276623 has 8 divisors (see below), whose sum is σ = 21139105248. Its totient is φ = 19371711744.
The previous prime is 20255276621. The next prime is 20255276659. The reversal of 20255276623 is 32667255202.
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 20255276623 - 21 = 20255276621 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20255276621) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99915 + ... + 224707.
It is an arithmetic number, because the mean of its divisors is an integer number (2642388156).
Almost surely, 220255276623 is an apocalyptic number.
20255276623 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
20255276623 is a deficient number, since it is larger than the sum of its proper divisors (883828625).
20255276623 is a wasteful number, since it uses less digits than its factorization.
20255276623 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 131873.
The product of its (nonzero) digits is 302400, while the sum is 40.
The spelling of 20255276623 in words is "twenty billion, two hundred fifty-five million, two hundred seventy-six thousand, six hundred twenty-three".
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