Base | Representation |
---|---|
bin | 101110101011001000… |
… | …100000110011000000 |
3 | 11210100122200012000000 |
4 | 232223020200303000 |
5 | 1310114114310210 |
6 | 35004535000000 |
7 | 3422626031115 |
oct | 565310406300 |
9 | 153318605000 |
10 | 50115775680 |
11 | 1a28805a033 |
12 | 9867809000 |
13 | 4958a47c49 |
14 | 25d5c6a90c |
15 | 1484b13ac0 |
hex | bab220cc0 |
50115775680 has 196 divisors, whose sum is σ = 178926268512. Its totient is φ = 13364144640.
The previous prime is 50115775637. The next prime is 50115775681. The reversal of 50115775680 is 8657751105.
50115775680 is a `hidden beast` number, since 5 + 0 + 1 + 15 + 77 + 568 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is not an unprimeable number, because it can be changed into a prime (50115775681) by changing a digit.
It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 125865 + ... + 340695.
Almost surely, 250115775680 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 50115775680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89463134256).
50115775680 is an abundant number, since it is smaller than the sum of its proper divisors (128810492832).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
50115775680 is an equidigital number, since it uses as much as digits as its factorization.
50115775680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 214866 (or 214841 counting only the distinct ones).
The product of its (nonzero) digits is 294000, while the sum is 45.
The spelling of 50115775680 in words is "fifty billion, one hundred fifteen million, seven hundred seventy-five thousand, six hundred eighty".
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