Base | Representation |
---|---|
bin | 10010111111110010111… |
… | …000101010100000011010 |
3 | 11121210121001112201102222 |
4 | 102333302320222200122 |
5 | 132342030201444010 |
6 | 2435414312424042 |
7 | 163213161115100 |
oct | 22776270524032 |
9 | 4553531481388 |
10 | 1305450031130 |
11 | 463702567253 |
12 | 1910086a8022 |
13 | 96146263c2b |
14 | 47281315c70 |
15 | 23e57624355 |
hex | 12ff2e2a81a |
1305450031130 has 48 divisors (see below), whose sum is σ = 2735968306176. Its totient is φ = 447170925600.
The previous prime is 1305450031129. The next prime is 1305450031241. The reversal of 1305450031130 is 311300545031.
It is a self number, because there is not a number n which added to its sum of digits gives 1305450031130.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 692846 + ... + 1758105.
It is an arithmetic number, because the mean of its divisors is an integer number (56999339712).
Almost surely, 21305450031130 is an apocalyptic number.
1305450031130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1305450031130 is an abundant number, since it is smaller than the sum of its proper divisors (1430518275046).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1305450031130 is a wasteful number, since it uses less digits than its factorization.
1305450031130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2452059 (or 2452052 counting only the distinct ones).
The product of its (nonzero) digits is 2700, while the sum is 26.
Adding to 1305450031130 its reverse (311300545031), we get a palindrome (1616750576161).
The spelling of 1305450031130 in words is "one trillion, three hundred five billion, four hundred fifty million, thirty-one thousand, one hundred thirty".
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