Base | Representation |
---|---|
bin | 110100111010011100… |
… | …111110110011011101 |
3 | 12102122112220202221201 |
4 | 310322130332303131 |
5 | 1412324201010103 |
6 | 42033415555501 |
7 | 4050635443120 |
oct | 647234766335 |
9 | 172575822851 |
10 | 56815250653 |
11 | 22105800807 |
12 | b01738bb91 |
13 | 54859cb115 |
14 | 2a6d9183b7 |
15 | 1727d6851d |
hex | d3a73ecdd |
56815250653 has 8 divisors (see below), whose sum is σ = 65101252608. Its totient is φ = 48571633104.
The previous prime is 56815250603. The next prime is 56815250659. The reversal of 56815250653 is 35605251865.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-56815250653 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (56815250659) by changing a digit.
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, 10593226 + ... + 10598587.
It is an arithmetic number, because the mean of its divisors is an integer number (8137656576).
Almost surely, 256815250653 is an apocalyptic number.
It is an amenable number.
56815250653 is a deficient number, since it is larger than the sum of its proper divisors (8286001955).
56815250653 is a wasteful number, since it uses less digits than its factorization.
56815250653 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21192203.
The product of its (nonzero) digits is 1080000, while the sum is 46.
The spelling of 56815250653 in words is "fifty-six billion, eight hundred fifteen million, two hundred fifty thousand, six hundred fifty-three".
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