Base | Representation |
---|---|
bin | 10010101110000100… |
… | …001101111110111111 |
3 | 1220212211002111101022 |
4 | 102232010031332333 |
5 | 312131123214443 |
6 | 13122305134355 |
7 | 1311046654103 |
oct | 225604157677 |
9 | 56784074338 |
10 | 20100210623 |
11 | 8585054819 |
12 | 3a8b62a3bb |
13 | 1b8439326c |
14 | d8972d903 |
15 | 7c9962e68 |
hex | 4ae10dfbf |
20100210623 has 8 divisors (see below), whose sum is σ = 21261451488. Its totient is φ = 18962913024.
The previous prime is 20100210601. The next prime is 20100210653. The reversal of 20100210623 is 32601200102.
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 20100210623 - 28 = 20100210367 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 (20100210653) 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, 5984090 + ... + 5987447.
It is an arithmetic number, because the mean of its divisors is an integer number (2657681436).
Almost surely, 220100210623 is an apocalyptic number.
20100210623 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
20100210623 is a deficient number, since it is larger than the sum of its proper divisors (1161240865).
20100210623 is a wasteful number, since it uses less digits than its factorization.
20100210623 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11971633.
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 20100210623 its reverse (32601200102), we get a palindrome (52701410725).
The spelling of 20100210623 in words is "twenty billion, one hundred million, two hundred ten thousand, six hundred twenty-three".
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