Base | Representation |
---|---|
bin | 1011010111100110010010… |
… | …0110100010001011110110 |
3 | 1122020222210110112212221120 |
4 | 2311321210212202023312 |
5 | 3114300041404420304 |
6 | 42330235035324410 |
7 | 2430045465314025 |
oct | 265714446421366 |
9 | 48228713485846 |
10 | 12500042654454 |
11 | 3a8a269226213 |
12 | 149a712bb0706 |
13 | 6c8997623484 |
14 | 3130107468bc |
15 | 16a24c67c0d9 |
hex | b5e649a22f6 |
12500042654454 has 16 divisors (see below), whose sum is σ = 25008415929840. Its totient is φ = 4165292448000.
The previous prime is 12500042654419. The next prime is 12500042654479. The reversal of 12500042654454 is 45445624000521.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347089699 + ... + 347125710.
It is an arithmetic number, because the mean of its divisors is an integer number (1563025995615).
Almost surely, 212500042654454 is an apocalyptic number.
12500042654454 is an abundant number, since it is smaller than the sum of its proper divisors (12508373275386).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12500042654454 is a wasteful number, since it uses less digits than its factorization.
12500042654454 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 694218415.
The product of its (nonzero) digits is 768000, while the sum is 42.
Adding to 12500042654454 its reverse (45445624000521), we get a palindrome (57945666654975).
The spelling of 12500042654454 in words is "twelve trillion, five hundred billion, forty-two million, six hundred fifty-four thousand, four hundred fifty-four".
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