Base | Representation |
---|---|
bin | 110101100110111111… |
… | …000110000011000000 |
3 | 12111120121210102110001 |
4 | 311212333012003000 |
5 | 1420341433000340 |
6 | 42235505445344 |
7 | 4105310151052 |
oct | 654677060300 |
9 | 174517712401 |
10 | 57562390720 |
11 | 2245951813a |
12 | b1a5640854 |
13 | 5574733c33 |
14 | 2b00c438d2 |
15 | 176d74d29a |
hex | d66fc60c0 |
57562390720 has 112 divisors (see below), whose sum is σ = 145166047488. Its totient is φ = 21694970880.
The previous prime is 57562390673. The next prime is 57562390723. The reversal of 57562390720 is 2709326575.
It is a Harshad number since it is a multiple of its sum of digits (46).
It is not an unprimeable number, because it can be changed into a prime (57562390723) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 434755 + ... + 551485.
It is an arithmetic number, because the mean of its divisors is an integer number (1296125424).
Almost surely, 257562390720 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 57562390720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72583023744).
57562390720 is an abundant number, since it is smaller than the sum of its proper divisors (87603656768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57562390720 is a wasteful number, since it uses less digits than its factorization.
57562390720 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 116838 (or 116828 counting only the distinct ones).
The product of its (nonzero) digits is 793800, while the sum is 46.
The spelling of 57562390720 in words is "fifty-seven billion, five hundred sixty-two million, three hundred ninety thousand, seven hundred twenty".
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