Base | Representation |
---|---|
bin | 11001000010010011111001… |
… | …11111110010011101110010 |
3 | 21012221012112202200222010100 |
4 | 30201021330333302131302 |
5 | 24204010103400143230 |
6 | 313031525015213230 |
7 | 14411406631534005 |
oct | 1441117477623562 |
9 | 235835482628110 |
10 | 55054987896690 |
11 | 165a6764429271 |
12 | 6212038077216 |
13 | 2494880a38802 |
14 | d84965d1153c |
15 | 65718ea8b660 |
hex | 32127cff2772 |
55054987896690 has 48 divisors (see below), whose sum is σ = 143146263857688. Its totient is φ = 14680992123648.
The previous prime is 55054987896641. The next prime is 55054987896737. The reversal of 55054987896690 is 9669878945055.
55054987896690 is a `hidden beast` number, since 5 + 5 + 0 + 549 + 8 + 7 + 8 + 9 + 6 + 69 + 0 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 25958036579409 + 29096951317281 = 5094903^2 + 5394159^2 .
It is a super-2 number, since 2×550549878966902 (a number of 28 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3097939 + ... + 10941078.
Almost surely, 255054987896690 is an apocalyptic number.
55054987896690 is an abundant number, since it is smaller than the sum of its proper divisors (88091275960998).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
55054987896690 is a wasteful number, since it uses less digits than its factorization.
55054987896690 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14082603 (or 14082600 counting only the distinct ones).
The product of its (nonzero) digits is 5878656000, while the sum is 81.
The spelling of 55054987896690 in words is "fifty-five trillion, fifty-four billion, nine hundred eighty-seven million, eight hundred ninety-six thousand, six hundred ninety".
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