Base | Representation |
---|---|
bin | 1100100010011101010… |
… | …0000001100000000000 |
3 | 202121000011000101102111 |
4 | 3020213110001200000 |
5 | 12012123412101443 |
6 | 242542415225104 |
7 | 21364003103605 |
oct | 3104724014000 |
9 | 677004011374 |
10 | 215407925248 |
11 | 8339918151a |
12 | 358b7818194 |
13 | 1740b522bc9 |
14 | a5d65706ac |
15 | 590aeb569d |
hex | 3227501800 |
215407925248 has 48 divisors (see below), whose sum is σ = 430800552000. Its totient is φ = 107681488896.
The previous prime is 215407925233. The next prime is 215407925269. The reversal of 215407925248 is 842529704512.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14469873 + ... + 14484751.
It is an arithmetic number, because the mean of its divisors is an integer number (8975011500).
Almost surely, 2215407925248 is an apocalyptic number.
It is an amenable number.
215407925248 is a deficient number, since it is larger than the sum of its proper divisors (215392626752).
215407925248 is an equidigital number, since it uses as much as digits as its factorization.
215407925248 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21970 (or 21950 counting only the distinct ones).
The product of its (nonzero) digits is 1612800, while the sum is 49.
The spelling of 215407925248 in words is "two hundred fifteen billion, four hundred seven million, nine hundred twenty-five thousand, two hundred forty-eight".
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