Base | Representation |
---|---|
bin | 110101100010001010… |
… | …110010001100110110 |
3 | 12111100222201020222220 |
4 | 311202022302030312 |
5 | 1420210240202303 |
6 | 42223501303210 |
7 | 4103306163333 |
oct | 654212621466 |
9 | 174328636886 |
10 | 57481569078 |
11 | 2241793569a |
12 | b182564b06 |
13 | 5560a7688b |
14 | 2ad420598a |
15 | 17665d6053 |
hex | d622b2336 |
57481569078 has 32 divisors (see below), whose sum is σ = 115545854592. Its totient is φ = 19063464000.
The previous prime is 57481569043. The next prime is 57481569091. The reversal of 57481569078 is 87096518475.
It is a congruent number.
It is an unprimeable number.
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, 5416978 + ... + 5427578.
It is an arithmetic number, because the mean of its divisors is an integer number (3610807956).
Almost surely, 257481569078 is an apocalyptic number.
57481569078 is an abundant number, since it is smaller than the sum of its proper divisors (58064285514).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57481569078 is a wasteful number, since it uses less digits than its factorization.
57481569078 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15100.
The product of its (nonzero) digits is 16934400, while the sum is 60.
The spelling of 57481569078 in words is "fifty-seven billion, four hundred eighty-one million, five hundred sixty-nine thousand, seventy-eight".
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