Base | Representation |
---|---|
bin | 10111001111111011010111… |
… | …11110110110010101011000 |
3 | 20201000111001201122120212100 |
4 | 23213331223332312111120 |
5 | 23200112101141040010 |
6 | 300422225014443400 |
7 | 13524434246303640 |
oct | 1347755376662530 |
9 | 221014051576770 |
10 | 51124807361880 |
11 | 153209aaa3124a |
12 | 58983b6663560 |
13 | 226b082b572b5 |
14 | c8a64d631520 |
15 | 5d9d184302c0 |
hex | 2e7f6bfb6558 |
51124807361880 has 96 divisors (see below), whose sum is σ = 189892141639200. Its totient is φ = 11685670253568.
The previous prime is 51124807361867. The next prime is 51124807361921. The reversal of 51124807361880 is 8816370842115.
51124807361880 is a `hidden beast` number, since 5 + 1 + 1 + 2 + 480 + 73 + 6 + 18 + 80 = 666.
It is a super-2 number, since 2×511248073618802 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
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, 10143808465 + ... + 10143813504.
It is an arithmetic number, because the mean of its divisors is an integer number (1978043142075).
Almost surely, 251124807361880 is an apocalyptic number.
It is an amenable number.
51124807361880 is an abundant number, since it is smaller than the sum of its proper divisors (138767334277320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51124807361880 is a wasteful number, since it uses less digits than its factorization.
51124807361880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20287621993 (or 20287621986 counting only the distinct ones).
The product of its (nonzero) digits is 2580480, while the sum is 54.
The spelling of 51124807361880 in words is "fifty-one trillion, one hundred twenty-four billion, eight hundred seven million, three hundred sixty-one thousand, eight hundred eighty".
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