Base | Representation |
---|---|
bin | 110010111110110011… |
… | …101110000111001000 |
3 | 12020021222112122010022 |
4 | 302332303232013020 |
5 | 1344102123234213 |
6 | 41051514040012 |
7 | 3645346302260 |
oct | 627663560710 |
9 | 166258478108 |
10 | 54740836808 |
11 | 212408589a9 |
12 | a738719008 |
13 | 5214ccb1c8 |
14 | 291420c7a0 |
15 | 1655ba7308 |
hex | cbecee1c8 |
54740836808 has 128 divisors (see below), whose sum is σ = 125698003200. Its totient is φ = 21815599104.
The previous prime is 54740836807. The next prime is 54740836817. The reversal of 54740836808 is 80863804745.
It is a self number, because there is not a number n which added to its sum of digits gives 54740836808.
It is not an unprimeable number, because it can be changed into a prime (54740836807) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58420916 + ... + 58421852.
It is an arithmetic number, because the mean of its divisors is an integer number (982015650).
Almost surely, 254740836808 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 54740836808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62849001600).
54740836808 is an abundant number, since it is smaller than the sum of its proper divisors (70957166392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54740836808 is a wasteful number, since it uses less digits than its factorization.
54740836808 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1639 (or 1635 counting only the distinct ones).
The product of its (nonzero) digits is 5160960, while the sum is 53.
The spelling of 54740836808 in words is "fifty-four billion, seven hundred forty million, eight hundred thirty-six thousand, eight hundred eight".
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