| Base | Representation |
|---|---|
| bin | 10111001110010111101010… |
| … | …11101001100010100100000 |
| 3 | 20200211100220021000020110000 |
| 4 | 23213023311131030110200 |
| 5 | 23143222434440020000 |
| 6 | 300341453300540000 |
| 7 | 13520530623512154 |
| oct | 1347136535142440 |
| 9 | 220740807006400 |
| 10 | 51071279220000 |
| 11 | 1530023176aa66 |
| 12 | 5889b580b1600 |
| 13 | 2266002176970 |
| 14 | c87c124d9064 |
| 15 | 5d8733e70000 |
| hex | 2e72f574c520 |
51071279220000 has 2400 divisors, whose sum is σ = 210537801137664. Its totient is φ = 12055910400000.
The previous prime is 51071279219999. The next prime is 51071279220023. The reversal of 51071279220000 is 2297217015.
51071279220000 is a `hidden beast` number, since 510 + 71 + 2 + 79 + 2 + 2 + 0 + 0 + 0 + 0 = 666.
51071279220000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (2400).
It is a super-2 number, since 2×510712792200002 (a number of 28 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 399 ways as a sum of consecutive naturals, for example, 89441819715 + ... + 89441820285.
Almost surely, 251071279220000 is an apocalyptic number.
51071279220000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 51071279220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105268900568832).
51071279220000 is an abundant number, since it is smaller than the sum of its proper divisors (159466521917664).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51071279220000 is a wasteful number, since it uses less digits than its factorization.
51071279220000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 794 (or 762 counting only the distinct ones).
The product of its (nonzero) digits is 17640, while the sum is 36.
The spelling of 51071279220000 in words is "fifty-one trillion, seventy-one billion, two hundred seventy-nine million, two hundred twenty thousand".
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