Base | Representation |
---|---|
bin | 10010010000010001011… |
… | …010000111101010100000 |
3 | 11102220212212021002010212 |
4 | 102100101122013222200 |
5 | 131023024130311430 |
6 | 2400135043513252 |
7 | 156425521256444 |
oct | 22202132075240 |
9 | 4386785232125 |
10 | 1254422510240 |
11 | 443aa7893589 |
12 | 183147688828 |
13 | 913a366c5a3 |
14 | 44a00352824 |
15 | 2296c963b95 |
hex | 12411687aa0 |
1254422510240 has 48 divisors (see below), whose sum is σ = 2974272105672. Its totient is φ = 499957545984.
The previous prime is 1254422510233. The next prime is 1254422510281. The reversal of 1254422510240 is 420152244521.
It can be written as a sum of positive squares in 4 ways, for example, as 723989967376 + 530432542864 = 850876^2 + 728308^2 .
It is a Harshad number since it is a multiple of its sum of digits (32).
It is a junction number, because it is equal to n+sod(n) for n = 1254422510197 and 1254422510206.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14107559 + ... + 14196198.
Almost surely, 21254422510240 is an apocalyptic number.
1254422510240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1254422510240 is an abundant number, since it is smaller than the sum of its proper divisors (1719849595432).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1254422510240 is a wasteful number, since it uses less digits than its factorization.
1254422510240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28304049 (or 28304041 counting only the distinct ones).
The product of its (nonzero) digits is 25600, while the sum is 32.
Adding to 1254422510240 its reverse (420152244521), we get a palindrome (1674574754761).
The spelling of 1254422510240 in words is "one trillion, two hundred fifty-four billion, four hundred twenty-two million, five hundred ten thousand, two hundred forty".
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