Base | Representation |
---|---|
bin | 10111011001011010110000… |
… | …10100111100100111000000 |
3 | 20202011122202100022021210200 |
4 | 23230231120110330213000 |
5 | 23220432413122444203 |
6 | 301232114231125200 |
7 | 13560130100456445 |
oct | 1354553024744700 |
9 | 222148670267720 |
10 | 51450895124928 |
11 | 15437224a80aa2 |
12 | 592b640813800 |
13 | 2292a4c677290 |
14 | c9c3453919cc |
15 | 5e355102b9a3 |
hex | 2ecb5853c9c0 |
51450895124928 has 672 divisors, whose sum is σ = 161694200758272. Its totient is φ = 15547869388800.
The previous prime is 51450895124927. The next prime is 51450895124933. The reversal of 51450895124928 is 82942159805415.
51450895124928 is a `hidden beast` number, since 5 + 1 + 4 + 50 + 8 + 9 + 512 + 49 + 28 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51450895124927) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 46646323225 + ... + 46646324327.
It is an arithmetic number, because the mean of its divisors is an integer number (240616370176).
Almost surely, 251450895124928 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 51450895124928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80847100379136).
51450895124928 is an abundant number, since it is smaller than the sum of its proper divisors (110243305633344).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51450895124928 is a wasteful number, since it uses less digits than its factorization.
51450895124928 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1713 (or 1700 counting only the distinct ones).
The product of its (nonzero) digits is 41472000, while the sum is 63.
The spelling of 51450895124928 in words is "fifty-one trillion, four hundred fifty billion, eight hundred ninety-five million, one hundred twenty-four thousand, nine hundred twenty-eight".
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