Base | Representation |
---|---|
bin | 111001100110000000011011… |
… | …000011000110001100000001 |
3 | 1020012212021201112102021120100 |
4 | 321212000123003012030001 |
5 | 231200033302412424010 |
6 | 2254420341254233013 |
7 | 104232232106041224 |
oct | 7146003303061401 |
9 | 1205767645367510 |
10 | 253300445045505 |
11 | 7378912a776710 |
12 | 244ab3a6655769 |
13 | ab4518b5c4190 |
14 | 4679b423d55bb |
15 | 1e43dd4c122c0 |
hex | e6601b0c6301 |
253300445045505 has 96 divisors (see below), whose sum is σ = 515988683159040. Its totient is φ = 113326362109440.
The previous prime is 253300445045497. The next prime is 253300445045563. The reversal of 253300445045505 is 505540544003352.
253300445045505 is a `hidden beast` number, since 2 + 5 + 3 + 3 + 0 + 0 + 44 + 50 + 4 + 550 + 5 = 666.
It is not a de Polignac number, because 253300445045505 - 23 = 253300445045497 is a prime.
It is a super-2 number, since 2×2533004450455052 (a number of 30 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12023736 + ... + 25518054.
It is an arithmetic number, because the mean of its divisors is an integer number (5374882116240).
Almost surely, 2253300445045505 is an apocalyptic number.
It is an amenable number.
253300445045505 is an abundant number, since it is smaller than the sum of its proper divisors (262688238113535).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
253300445045505 is a wasteful number, since it uses less digits than its factorization.
253300445045505 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13497271 (or 13497268 counting only the distinct ones).
The product of its (nonzero) digits is 3600000, while the sum is 45.
Adding to 253300445045505 its reverse (505540544003352), we get a palindrome (758840989048857).
The spelling of 253300445045505 in words is "two hundred fifty-three trillion, three hundred billion, four hundred forty-five million, forty-five thousand, five hundred five".
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