Base | Representation |
---|---|
bin | 111000100111000100110111… |
… | …001110010101011100001110 |
3 | 1012122112212021120000211221120 |
4 | 320213010313032111130032 |
5 | 230113210103213432132 |
6 | 2241305535354541410 |
7 | 103304625356021010 |
oct | 7047046716253416 |
9 | 1178485246024846 |
10 | 248975885686542 |
11 | 72371097755973 |
12 | 23b11240437866 |
13 | a8c042c8344a1 |
14 | 456a6d63101b0 |
15 | 1dbb67a41602c |
hex | e2713739570e |
248975885686542 has 32 divisors (see below), whose sum is σ = 569088236505600. Its totient is φ = 71135905114848.
The previous prime is 248975885686531. The next prime is 248975885686597. The reversal of 248975885686542 is 245686588579842.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69726559 + ... + 73210277.
It is an arithmetic number, because the mean of its divisors is an integer number (17784007390800).
Almost surely, 2248975885686542 is an apocalyptic number.
248975885686542 is an abundant number, since it is smaller than the sum of its proper divisors (320112350819058).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
248975885686542 is a wasteful number, since it uses less digits than its factorization.
248975885686542 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5185360.
The product of its digits is 74317824000, while the sum is 87.
The spelling of 248975885686542 in words is "two hundred forty-eight trillion, nine hundred seventy-five billion, eight hundred eighty-five million, six hundred eighty-six thousand, five hundred forty-two".
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