Base | Representation |
---|---|
bin | 1110010001100011101… |
… | …0111000011000000000 |
3 | 212102222120210221200210 |
4 | 3210120322320120000 |
5 | 13004213143134240 |
6 | 304354020114120 |
7 | 23501026004445 |
oct | 3443072703000 |
9 | 772876727623 |
10 | 245231224320 |
11 | 950026a6525 |
12 | 3b63b535940 |
13 | 1a1820ca934 |
14 | bc2533d9cc |
15 | 65a4338780 |
hex | 3918eb8600 |
245231224320 has 160 divisors (see below), whose sum is σ = 794714751072. Its totient is φ = 64499023872.
The previous prime is 245231224313. The next prime is 245231224351. The reversal of 245231224320 is 23422132542.
It is a tau number, because it is divible by the number of its divisors (160).
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 341934 + ... + 779346.
Almost surely, 2245231224320 is an apocalyptic number.
245231224320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 245231224320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (397357375536).
245231224320 is an abundant number, since it is smaller than the sum of its proper divisors (549483526752).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245231224320 is an equidigital number, since it uses as much as digits as its factorization.
245231224320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 437512 (or 437496 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 30.
Adding to 245231224320 its reverse (23422132542), we get a palindrome (268653356862).
The spelling of 245231224320 in words is "two hundred forty-five billion, two hundred thirty-one million, two hundred twenty-four thousand, three hundred twenty".
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