Base | Representation |
---|---|
bin | 10010111111110001010… |
… | …101110000011101001000 |
3 | 11121210112020202110001202 |
4 | 102333301111300131020 |
5 | 132342002032300430 |
6 | 2435411545003332 |
7 | 163212424536425 |
oct | 22776125603510 |
9 | 4553466673052 |
10 | 1305424103240 |
11 | 463699968244 |
12 | 190bbba83548 |
13 | 96140a8659a |
14 | 4727bac6d4c |
15 | 23e55201d45 |
hex | 12ff1570748 |
1305424103240 has 64 divisors (see below), whose sum is σ = 3080771020800. Its totient is φ = 497247199488.
The previous prime is 1305424103239. The next prime is 1305424103257. The reversal of 1305424103240 is 423014245031.
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, 9313880 + ... + 9452999.
It is an arithmetic number, because the mean of its divisors is an integer number (48137047200).
Almost surely, 21305424103240 is an apocalyptic number.
1305424103240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1305424103240 is an abundant number, since it is smaller than the sum of its proper divisors (1775346917560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1305424103240 is a wasteful number, since it uses less digits than its factorization.
1305424103240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18766974 (or 18766970 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 29.
Adding to 1305424103240 its reverse (423014245031), we get a palindrome (1728438348271).
The spelling of 1305424103240 in words is "one trillion, three hundred five billion, four hundred twenty-four million, one hundred three thousand, two hundred forty".
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