Base | Representation |
---|---|
bin | 110001011100001111… |
… | …001000010100110000 |
3 | 12002000201200222002020 |
4 | 301130033020110300 |
5 | 1332210242441210 |
6 | 40215440151440 |
7 | 3556355500140 |
oct | 613417102460 |
9 | 162021628066 |
10 | 53087077680 |
11 | 205722a921a |
12 | a356908580 |
13 | 50104c2000 |
14 | 27d8722920 |
15 | 15aa8d9770 |
hex | c5c3c8530 |
53087077680 has 640 divisors, whose sum is σ = 214752921600. Its totient is φ = 10597257216.
The previous prime is 53087077679. The next prime is 53087077741. The reversal of 53087077680 is 8677078035.
It is an unprimeable number.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 70127862 + ... + 70128618.
It is an arithmetic number, because the mean of its divisors is an integer number (335551440).
Almost surely, 253087077680 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 53087077680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107376460800).
53087077680 is an abundant number, since it is smaller than the sum of its proper divisors (161665843920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53087077680 is a wasteful number, since it uses less digits than its factorization.
53087077680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 838 (or 806 counting only the distinct ones).
The product of its (nonzero) digits is 1975680, while the sum is 51.
The spelling of 53087077680 in words is "fifty-three billion, eighty-seven million, seventy-seven thousand, six hundred eighty".
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