Base | Representation |
---|---|
bin | 110011010010111010… |
… | …110110100000001100 |
3 | 12021011111110000201000 |
4 | 303102322312200030 |
5 | 1400300013004013 |
6 | 41145210020300 |
7 | 3656614255551 |
oct | 632272664014 |
9 | 167144400630 |
10 | 55078250508 |
11 | 213a42668a6 |
12 | a811717690 |
13 | 5269b98598 |
14 | 2946d60a28 |
15 | 1675606973 |
hex | cd2eb680c |
55078250508 has 48 divisors (see below), whose sum is σ = 142948123360. Its totient is φ = 18339789312.
The previous prime is 55078250501. The next prime is 55078250519. The reversal of 55078250508 is 80505287055.
55078250508 is a `hidden beast` number, since 5 + 50 + 78 + 25 + 0 + 508 = 666.
It is a super-2 number, since 2×550782505082 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (55078250501) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170941 + ... + 373332.
Almost surely, 255078250508 is an apocalyptic number.
It is an amenable number.
55078250508 is an abundant number, since it is smaller than the sum of its proper divisors (87869872852).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
55078250508 is a wasteful number, since it uses less digits than its factorization.
55078250508 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 545223 (or 545215 counting only the distinct ones).
The product of its (nonzero) digits is 560000, while the sum is 45.
The spelling of 55078250508 in words is "fifty-five billion, seventy-eight million, two hundred fifty thousand, five hundred eight".
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