Base | Representation |
---|---|
bin | 10111100011100111011011… |
… | …11011011110001011111000 |
3 | 20210102011012110222011111220 |
4 | 23301303231323132023320 |
5 | 23242203024112130323 |
6 | 302101104255352040 |
7 | 13624343303501334 |
oct | 1361635573361370 |
9 | 223364173864456 |
10 | 51801297380088 |
11 | 15561896a06623 |
12 | 5987531822620 |
13 | 22b9ac26967b9 |
14 | cb12a64147c4 |
15 | 5ec70d53c0e3 |
hex | 2f1cedede2f8 |
51801297380088 has 32 divisors (see below), whose sum is σ = 129503822025600. Its totient is φ = 17267021983328.
The previous prime is 51801297380081. The next prime is 51801297380101. The reversal of 51801297380088 is 88008379210815.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51801297380081) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 795973 + ... + 10209611.
It is an arithmetic number, because the mean of its divisors is an integer number (4046994438300).
Almost surely, 251801297380088 is an apocalyptic number.
It is an amenable number.
51801297380088 is an abundant number, since it is smaller than the sum of its proper divisors (77702524645512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51801297380088 is a wasteful number, since it uses less digits than its factorization.
51801297380088 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9642931 (or 9642927 counting only the distinct ones).
The product of its (nonzero) digits is 7741440, while the sum is 60.
The spelling of 51801297380088 in words is "fifty-one trillion, eight hundred one billion, two hundred ninety-seven million, three hundred eighty thousand, eighty-eight".
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