Base | Representation |
---|---|
bin | 10111100100111001001… |
… | …10001110100000101101 |
3 | 2212102221221112121102202 |
4 | 23302130212032200231 |
5 | 101233021231241003 |
6 | 1420051321431245 |
7 | 112345364615231 |
oct | 13623446164055 |
9 | 2772857477382 |
10 | 810081118253 |
11 | 29260a744090 |
12 | 110bba63b525 |
13 | 5b50c6c91c4 |
14 | 2b2cb1a25c1 |
15 | 16113375088 |
hex | bc9c98e82d |
810081118253 has 32 divisors (see below), whose sum is σ = 914726338560. Its totient is φ = 711066058560.
The previous prime is 810081118237. The next prime is 810081118261. The reversal of 810081118253 is 352811180018.
810081118253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 810081118253 - 24 = 810081118237 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (810081111253) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42449768 + ... + 42468846.
It is an arithmetic number, because the mean of its divisors is an integer number (28585198080).
Almost surely, 2810081118253 is an apocalyptic number.
It is an amenable number.
810081118253 is a deficient number, since it is larger than the sum of its proper divisors (104645220307).
810081118253 is a wasteful number, since it uses less digits than its factorization.
810081118253 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20297.
The product of its (nonzero) digits is 15360, while the sum is 38.
The spelling of 810081118253 in words is "eight hundred ten billion, eighty-one million, one hundred eighteen thousand, two hundred fifty-three".
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